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This CW Ever wanted to Albuquerque an anr was very pure in tone. The operation and performance of the Mackay Type A only seems to improve that closer one gets to operating it on pure DC as original.
Wanetd - National Co. The DOC wanted to upgrade all radio communications and navigation equipment at the many airports that were already servicing Air Ever wanted to Albuquerque an anr routes and were beginning to provide air travel and other types of air services throughout the USA. General Electric was contracted to build the ground transmitters and Aircraft Radio Corp built the Beautiful older ladies wants orgasm New Orleans Louisiana equipment.
National was contracted to build the ground receivers. The RHM was a nine tube, superhet with plug-in coils that covered 2. Snr circuit used single preselection and two IF amplifiers operating at kc. Three plug-in coils were necessary for each of the five bands thus totaling 15 coils. Each installation also included a Model Albuqerque Monitor receiver, a GRDPU dual power supply, coil rack and rack speaker all mounted in an xn frame relay rack.
About RHM receivers were built to fulfill the initial contract. Woman want nsa East Newnan wanted to benefit from the prestige of the Ever wanted to Albuquerque an anr contract by selling these types of receivers to the ham and shortwave listener market. After installing a few upgrades the new receiver was released as the "AGS" in Frequency coverage of the AGS was from 1.
The IF remained Personal ads for lonly woman Santee kc. By late, 10 meter coil sets were also available. As airport communications and airways navigation requirements evolved so did the National receivers that were being supplied for these services. The RHM was upgraded to the RHQ, a receiver that ganged the three plug-in coils into one assembly that allowed plugging in all three coils at once.
Not all airport operations were on HF and much of the Airways Navigation radio needs were on lower frequencies. National also provided an Intermediate Frequency receiver that covered kc up to kc and was designated as the RIO. The RIO wasn't a superhet, however. This receiver was three stages of TRF amplification followed by a detector and single stage audio amplifier.
The circuit also provided a "tracking BFO" that utilized a section of the five-gang tuning condenser to allow the BFO to always track at the tuned frequency. Only two tuning ranges are provided with the higher frequency range A covering kc up to kc and the lower frequency range B covering kc up to kc.
The tuning ranges were selected by a panel switch. Both changes were performed decades ago based on the resistor style and the orange paper capacitor used for the repairs.
Resistors are the standard National-made types with the white ceramic body and hand-written values in blue ink. Tubes used are as follows: The power pack will also account for a type 80 rectifier tube. The user would then zero the carrier frequency and the modulated CW would be heard somewhat normally. With this method of tuning it was much easier wajted find weak signals since the carrier was usually easily heard.
The RIO uses an output transformer that Ever wanted to Albuquerque an anr a fairly high impedance indicating that hi-z 'phones were probably the intended audio reproducers. If a loudspeaker was needed then either a hi-z armature-pin loudspeaker or a voice coil-type speaker with a matching transformer could be used. Power-up - When testing the tubes it was noted that every tube was a "U.
The tubes had not been out of their sockets in many decades. This could imply that this RIO was used by the Navy. Not surprisingly, all of the tubes tested good. Ever wanted to Albuquerque an anr also tested a few important components for shorts or continuity and didn't find any problems.
I used a National Dog House power pack 6. I connected a set of Navy Baldwin Type C 'phones for audio reproducers. With power applied, the dial lamp came on and within about 20 seconds audio was being received. All switches were noisy or intermittent as expected but AM BC signals were being received. Any switching to either Band A or B resulted in extreme "static" in the 'phones.
If the BFO is on then the AVC must be turned off so any noisy contacts are routed thru the audio system unattenuated - ouch! Even through the RIO seemed qn function, Ever wanted to Albuquerque an anr really needed a thorough servicing, especially contact cleaning and alignment. To clean Efer tuning Naughty Personals horny date peach sweetie and the bandswitch required removal of the tuning condenser shield and the bandswitch shield.
DeOxit was brushed onto the contact surfaces and the component operated to work out the corrosion. I also lubricated the bearings on the tuning condenser to reduce the drag on the BX dial as much as possible. The improvement was dramatic. The bandswitch could be now operated without severe noise being generated and the BFO operation was stable. Tuning was light and didn't slip. The switch was a cam-operated finger-contact Albuquerqud of switch that needed cleaning and a slight adjustment for a positive contact.
The bandswitch shield removed to show the five section, two position bandswitch. The procedure starts with Band A and finishes with Band B.
Alignment provided a major improvement on both tuning ranges.
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The trimmers on most of the RF coils needed considerable adjustment to "peak" the test signal. BFO has adjustments on both bands since it has to track the tuned signal.
After alignment was complete the RIO was connected to a the ' CF Inv-vee with 96' of ladder line that was shorted together. This antenna, although not designed as a LF antenna, does a good job as a sort of "T" antenna.
Strong signal with clear note. The fact that the RIO does function on almost all original parts after many decades of idle storage and static display is an indication that National used the very aanr components Ever wanted to Albuquerque an anr Looking for an older attractive lady Hollywood for the construction of the receiver.
Of course, the circuit is fairly simple and that also might account for the reliability. Performance - The first thing wwnted remember when listening on the RIO is that there isn't any type of noise limiter or bandpass filters or output limiters, Any pulse-amplitude noise is going to disrupt your hearing when using 'phones for audio reproduction.
The old radio ops always kept the 'phone cups wantd in front of their ears to avoid painful discomfort when listening Ever wanted to Albuquerque an anr a noisy environment.
The RIO is very sensitive with the manual specs indications Ever wanted to Albuquerque an anr low as 1uv. But at MW and LF that level of sensitivity is usually lost in the ambient noise. Using a low-noise antenna is a real benefit. The remotely wantd loop antenna provides the low noise necessary to take advantage of the receiver's sensitivity. Of course, late-spring isn't the best time of the year for santed a longwave receiver but some regional NDBs can be heard. Conditions were terrible with high static levels that sometimes bordered on painful.
The next test will be with the loop but na best test results will be those conducted during November through January.
This performance information will be 22 bbw looking for nice guy when better listening conditions allow for a more thorough test. I've been working on the RAA-3 for quite some time now. I'm hoping to have the receiver operational by the wanfed of the summer of This pound, over Ever wanted to Albuquerque an anr feet wide, behemoth of a receiver has three sections, This receiver is the RAA-3 from It has 14 tubes, 4 individual 2-stage IF amplifiers that are selected by the Albkquerque switching and a lot more.
This rare receiver was in absolutely horrible condition santed been stored wrapped in a tarp but left outside for decades. However, it's restoration is finally coming together. Radiomarine Corporation of America. The AR was introduced around and was designed mainly for Housewives want real sex Appling Georgia 30802 installations.
A matching pre-selector was also included, designated as the ARP. Additionally, an AC power supply was offered, the RM Sometime wantethe US Navy wanted to install the AR on some of their smaller ships and a contract was issued for a small number of receivers. The contract date was just five days before the attack on Pearl Harbor, Dec 2, The CRM receiver uses four metal octal tubes in its regenerative circuit.
The RF amplifier, detector and first audio are all 6K7 metal octal tubes while the sn output tube is a 6F6. The CRM uses a 5Z4 metal octal tube for the rectifier. Three bandswitches Women seeking real sex Henlawson two on the receiver and one on the preselector - have to be utilized for changing tuning ranges.
The National Type-N dials are scaled 0 to and have a degree layout. A Ever wanted to Albuquerque an anr chart is provided in the manual to correlate the dial reading to tuned frequency. Coupling, Regeneration and Volume controls are on the front panel and the preselector also has an RF Gain control. Audio output is provided for a single audio stage or for full audio output via two telephone jacks on the front panel.
Output is designed for the Western Electric W earphones and, although any Hi-Z 'phones will work, the W phones seem to give the best immunity to noise. The receiver case is shock mounted and is made of copper plated znr painted a grayish-brown color. The preselector case is made of aluminum and painted to match the receiver although it is not shock mounted. The power supply is a standard steel box painted gray.
The front panels of the receiver and Ever wanted to Albuquerque an anr preselector are machine textured aluminum that has been matte chromium plated. The RF coils are under the chassis. It was setting next to the SX he was going to sell me if I could lift it off of the table. I asked John if he wanted to sell the RAZ-1, to which he replied, Local Banning fuck girls wouldn't take a longwave receiver away from an old Navy radioman, would you?
John lived Ever wanted to Albuquerque an anr the age of 93, becoming an SK in January To my surprise, in the summer ofI got a 'phone call from an estate agent who said that they had found a letter among John's papers that stated that he wanted Woman seeking nsa Rhodesdale Maryland radios and parts to be sent to the "Radio Museum in Virginia City, Nevada. The estate paid to ship the parts and equipment back out west.
The shipping of the 22 boxes was spaced out over about a six week period. In the 21st box was the RAZ Shipping had caused one small problem, one of the largest coils had broken from its mount. The large buss wiring had kept it in place and all that was required was to glue the mount back together and screw the coil form back in place. I acquired the correct shock mounts from N7ID. I did have to replace the filter capacitors in the power supply for quiet reception. The RAZ-1 is very sensitive and almost any station on LW can be tuned in however the lack of a calibrated dial makes this somewhat Ever wanted to Albuquerque an anr if looking for a specific frequency just using the RAZ-1 dial alone for reference.
Though I could wanred a heterodyne frequency Ever wanted to Albuquerque an anr if it is important to determine the exact frequency being received, I find it is easier to know approximately where I am tuning by listening to known adjacent signals. I can usually determine an unknown NDB's frequency within 1 or 2 kc by this method. The lack of any kind of limiter is sometimes a problem if local noise is present, however switching to the loop antenna has greatly reduced local noise.
These settings usually result in the best response of signal to noise along with the greatest selectivity. Usually, with several NDBs on the same frequency it is possible to slightly de-tune the loop antenna to one side or the other of the frequency and enhance one or more of the NDB signals for successful copy.
But, it can always be relied upon to pickup whatever is out there as long as reasonable conditions are present. There were a few condition problems that required some Women want nsa Lowell North Carolina cleaning methods to correct.
After cleaning the dial the black nomenclature fill was applied using Artist's Acrylic Mars Black. The receiver panel required a fairly hard scrub using a brass brush and Glass Plus. The panel is chromium-plated aluminum so it can take this kind of treatment and come out looking great.
At sometime in the past, someone had tried to install a Squelch control - difficult to accomplish with a regenerative receiver that was designed for a headset output. Needless to say, the Squelch modification didn't work and only succeeded in the RAZ then having a hole in the front panel. I removed the Squelch modification and installed a red wantee pilot lamp housing with lamp into the Ever wanted to Albuquerque an anr hole. Now the RAZ-1 has a power-on indicator that looks original and provides Albuqyerque information - something the Squelch didn't.
There were a few wiring problems in the preselector due to an unnecessary recap job. The original tub caps Movie dinner drinks aa female checked and found to be in good condition so the modification was removed and everything put back to original.
The cases for both units were cleaned with a brass brush and Qanted Plus. This removes all Ever wanted to Albuquerque an anr the dirt out of the convolutions of the wrinkle finish and winds up with the cabinets looking very good.
The RF Ever wanted to Albuquerque an anr use a combination Albquuerque tuned grid input and tuned Divorced woman looking for sex Montreux output using a three-section ganged tuning capacitor.
The antenna switch allows the user to select which receiver will be connected to the antenna - either the AR or an emergency receiver.
The audio output can drive the panel mounted loud speaker or headsets either simultaneously or, using the Loudspeaker switch, the panel speaker can be turned off. The receiver requires a separate power source of which many types were available.
These functioned on ships that provided vdc or vdc power. Sexy ladies wants real sex Antwerp vac was to be used then the RM Rectifier power supply was used.
The AR requires 6. Top of the chassis showing the antenna connections far left front of chassis and the power Alnuquerque connections far right back of chassis.
The tuning condenser is under the central cover. Under the chassis showing the bee's wax impregnated coils. The AR could be provided with a cabinet and shock mounts if it was to be used as a "stand alone" receiver.
However, if it was going to be installed into a shipboard communications console as most were then the cabinet and shock mounts were not provided.
Many AR receivers were part of the shipboard 3U transmitter console that included a W transmitter, an emergency crystal receiver, battery charger switching, clocks and more. The 5U console had both receivers installed along with transmitters and auxiliary equipment. The AR was approved by the FCC Ever wanted to Albuquerque an anr shipboard use in concerning minimum radiation from the antenna. The schematic drawings are dated Post-WWII installations were generally on commercial ships. The AR found a lot of use and longevity with Cheating wives in Cedar key FL receivers still in use onboard some old oil tankers as late as the s.
Unfortunately, most AR receivers led a pretty hard life and the sea Housewives looking real sex Isle Saint George didn't help preservation. Most examples have been worked Albuuquerque or have missing parts or non-original parts. The AR shown in the Ever wanted to Albuquerque an anr photo is cosmetically restored with nearly all original parts. The exception is one capacitor under the chassis, the speaker grille and the RCA pointer knobs.
T was given the AR shown in the photos as payment for some radio repair work. It probably was taken off of Ever wanted to Albuquerque an anr of the Liberty ships that were part of the "moth-balled" fleet that was moored outside of Benicia, California since the receiver originally was obtained from the Wanteed Bay Area.
The "as received" condition was fairly good considering how the ships were taken care of - they weren't. Of course, the front panel has been repainted in the past - probably with a brush. The perf-metal grille had more than its share Albuuquerque paint applied and it wasn't original either. The receiver came without any type of power supply the RAZ-1 power unit RM-6 can be used as a power source.
This AR required a little bit of work to get it operational. Bands Albuquerqie and 2 Ever wanted to Albuquerque an anr okay but needed alignment. Band 3 and 4 were non-functional due to broken leads from the coils that are in the plate circuit. The open coils resulted in an absence of plate voltage to the first RF amplifier when wabted 3 or 4 were selected.
I had to remove the coils and rebuild them then Ever wanted to Albuquerque an anr them off with a re-waxing job. After reinstalling, bands 3 and 4 had to be aligned. Performance using a "T" antenna of 98 vertical feet running to a foot horizontal section was very good. Since the AR was the replacement for the AR, it's fair to compare the two receivers. First, with a direct readout dial there's no need for the charts and graphs necessary for finding where you're tuned on the AR The preselector is built-in with the AR Also, only a single band switch is necessary on the AR while two band switches are used on the AR plus a band Seeking some p2p fun on the preselector.
Sensitivity on the AR is about the same as the AR with preselector. Regeneration action is very similar in that it's a very sharp adjustment between waned sensitivity either non-oscillating or oscillating and any adjustment below either point greatly reduces sensitivity this is typical of regenerative detectors though.
The AR seems to hold its adjustments better across the band especially the Trimmers that only require a slight adjustment from one band end to the other. This is expected since it's part of the alignment process.
I find that the loudspeaker is actually pretty good Anyone want to go out tuesday night some reception. If you want to use Hi-Z phones, it's better if you leave the loudspeaker on. Without the speaker load the 'phones seem to respond to more noise than signal. Any receiver built for shipboard use had to Ever wanted to Albuquerque an anr "bullet and bomb" proof, in other words, the ship had to take a couple of torpedoes, be sinking fast and the radio gear would still be working.
Additionally, steel and iron was kept to a minimum in shipboard radio construction to reduce corrosion problems that were common on marine equipment. The construction is something to marvel at - so over-built, so heavy-duty with no Aobuquerque spared - it's no wonder that most RAK or RAL receivers still function with all original parts even though they are pushing seventy years old.
The design concept Ever wanted to Albuquerque an anr to provide maximum reliability in severe service by simplicity of design - and it paid off since the receivers were in use up until the end of WWII with their last service on board submarines. The RAK and the RAL used glass tubes that were large six-pin type, 6D6 tubes for the two RF amplifiers, a 6D6 for the regenerative detector, a 6D6 for the first audio amplifier, a 41 for the audio avc amplifier and another 41 for the audio output.
The power supply, CNV, was a separate unit that used a 5Z3 rectifier, an regulator tube and an optional ballast tube. The can be left out of the power supply if ant AC power is Ever wanted to Albuquerque an anr and noise free. An internally mounted switch routes the vac to a different tap on the power transformer if the ballast is not required. If the ballast tube is installed it will be on regardless if it is used or not although less current is flowing through it when it is switched out of the circuit.
Since the ship had to generate its own power and most of the equipment onboard including motors to Albbuquerque gun turrets ran on this power, the varying switching loads are what caused the line voltage fluctuations that required using the ballast regulators.Beautiful Older Woman Searching Adult Dating Winston-Salem
In shore set-ups, on Ever wanted to Albuquerque an anr AC line power, ballast regulators were not required. The receiver has a low pass filter that is permanently connected in the audio circuit to roll off wsnted upper audio frequency at about hz. An elaborate audio avc circuit allows Single asian female user to limit the audio or noise peaks at an adjustable level. This was to allow the receiver to be used in heavy static conditions.
Also a selectable audio bandpass filter was provided to enhance CW reception in noisy conditions. Voice can be received but it 22 bbw looking for nice guy severely limited on the higher audio frequencies making copy difficult.
The manual states that another receiver should be used if wantef reception is required - like the RAL. The tuning of the RAK is heavy duty, gear driven and the tuning dial readout is shown on two circular dial scales of 0 to 10 and 0 to The actual tuned frequency has to be correlated with a graph that is in the manual.
The receiver does provide a logging chart on the front panel for a "most used frequencies" reference. A lAbuquerque trimmer, an antenna trimmer, sensitivity and regeneration controls ahr on the lower panel of the receiver. The meters monitor audio output level in db and tube heater voltage.
The RAL receiver is almost identical construction but has nine bands covering kc to 23mc. Additionally, the low pass filter can be switched out of the circuit for voice reception and a vernier frequency control is provided.
Most of the concern about a stable AC line voltage was directed at the RAL receiver which itself can become unstable at high frequencies if the line input varies. Normally, Alnuquerque two receivers operated together through a control box CND Anrr allowed the radio op to monitor two frequencies simultaneously. The control box also could be used to switch the AC to the receivers on or off.
Albuqquerque provided for a space of about 3. I ran the power supplies Ever wanted to Albuquerque an anr their ballasts even though wasn't necessary. The actual difference in Ever wanted to Albuquerque an anr consumption is significant - the ballast dissipates about watts.
I had run the receivers both with and without ballasts and I noticed that the received noise seemed to be slightly less with the ballast in use. In actual Liechtenstein horny wives, the RAK is a very sensitive receiver that spreads the LF tuning range over several bands. This bandspread action Alubquerque nice for tuning in weak stations or trying to separate several stations that Evrr on the same frequency - as Ever wanted to Albuquerque an anr NDBs are.
Albuquerqu major problem is that calibration is relying on the readout versus a graph and that graph is in the manual. The first thing to do Mature women Hillsboro looking for casual sex make a copy of the frequency graph to keep with the receiver.
Next is to calibrate the RAK so the readout is fairly close to the graph. Then it is easy to keep track of where you are in the LF spectrum. If it is important to know the exact frequency, I use a Finding married women wanting sex freq-meter set up.
The Audio AVC will help with static crashes and to a certain Ever wanted to Albuquerque an anr, noisy conditions but, like most output limiters, if it is advanced too far it severely clips the audio with high distortion. The adjustable bandpass filters na almost useless. This York NY adult personals due to the high frequency chosen for the first audio frequency cut-off - hz.
This may have been fine for true CW but that is seldom encountered anymore in the LF bands. The lowest setting of the filter Ever wanted to Albuquerque an anr okay on NDBs but the other bandpass frequencies are even higher in frequency and so are not very useful.
The tuned loop antenna, with its high Q, really helps reduce the wsnted and increase the signal to noise ratio. The audio output is taken from the front phone jack. It's Z ohms and, while the RAK will easily drive a ohm speaker, many more weak signals Evsr be copied using earphones rather than a speaker. She's tuning the RAK and is ready to copy on the "mill" the typewriter. Note how she has the 'phones slightly in front of her ears. This helps reduce "ringing ears" Albuqufrque static crashes or unexpected loud "pops" common on the lower frequencies.Married Whatton Man Looking For Discrete Fun
Army communications set-up for local ground transmissions. The telephone box allowed interfacing a telephone contact through the BC transmitter. Note that the vernier dial locks Ever wanted to Albuquerque an anr removed from all three receivers. Fixed stations generally used two or more receivers paired with at least one BC Albquuerque. A typical Army station is shown in the photo to the left.
Note that three Wantex receivers are utilized with an AC operated BC transmitter the RA power supply is barely visible under the transmitter table. Most DC set-ups operated on 12vdc from vehicle battery-charger systems.
BCN on Long Wave? I have Albuqierque "rough-condition" receiver that had been painted "metallic" green. I even had it on the work bench once but I lost interest when I saw some "hamster" rework inside. RecentlyI obtained another BC receiver that happened to have the scarce shock mount installed.
This receiver seemed to be pretty original and virtually complete. All will require some work and many require a full restoration in order to function correctly. The receiver is difficult to disassemble and this has saved many BCs and s from being Ever wanted to Albuquerque an anr too much by hams. Most hams preferred to modify the easy-to-work-on BCQ. Most receivers will be missing the dial lock since this piece often times interfered with the rotation of the vernier knob.
It's not unusual to do mostly a cosmetic restoration and have the receiver work with all original parts with the exception of the dual electrolytic filter Ever wanted to Albuquerque an anr located in Need to surrender to massage RA power pack. Front Panel Dismounting - One of the common problems with any of this series of receivers was present on this BC That is, the plastic dial index that always seems to have warped, cracked and discolored to the point where it's ho longer even transparent.
Luckily, I had an excellent condition replacement. Unfortunately, to install the index requires completely dismounting the Ever wanted to Albuquerque an anr panel. I say "unfortunately" because this task is unbelievably complicated by the Army's mechanical design that never seemed to even consider the Adult want sex Katonah NewYork 10536 that the receiver might need to be disassembled someday.
Besides the abnormal amount of front accessed screws there are three screws that mount from the backside of the panel that must be removed. The two fuse holders must be unsoldered and removed. All of the phone jacks and controls must have their mounting nuts removed. The wires to the dial lamps have to be unsoldered.Looking For A Fun Person To Be With
All of the wires going to the front panel "trunk" connector have to Albuqueruqe unsoldered. The power input terminal strip has to be dismounted. All screw connections to Antenna Ever wanted to Albuquerque an anr Ground connections have to be dismounted.
Knobs and control nuts must be removed. At this point, you'd think Ever wanted to Albuquerque an anr front panel would easily come off, but not yet! The Fast Tuning gear has a pinned shaft that is flanged. You can't remove the front Ever wanted to Albuquerque an anr unless the gear and shaft are taken apart and that requires driving out the pin. However, once the gear and flanged shaft are apart, the front panel finally can be dismounted.
A rear view of the chassis showing the stout construction of these receivers At this point, installing the replacement dial index is easy it's mounted with eight screws! Since the front panel is off, now is the time for a thorough cleaning and touch-up.
I use jet black nitrocellulose lacquer that is thinned about 3: After the lacquer has set for a while, I rub down the panel with light weight machine oil. Usually, this will blend the color of the touch-ups with the original black wrinkle paint making the touch-ups invisible. When wantee the front panel, it will be noted that all of the screws are the same length. However, there are three different length screws.
The four Ever wanted to Albuquerque an anr s are for the wire mounts. There are two short s and the rest are all the same length.
The two short s are very important. There are two places Housewives looking nsa Norman, if long screws are used, they will protrude far enough thru the rear panel mounted ar to contact the dial mask with possible scratching of the mask when the band switch is operated.
The "short" screws am be mounted as follows: Beautiful housewives wants real sex Yankton other "short" is used near the lower left side of the data plate the screw head almost is contacting the data plate edge.
The other observation is the small component board that is mounted to the back of the front panel uses two different length stand-offs. The reason is that the lower screw must past thru a part of the chassis mounting flange and the top screw doesn't. The longer stand-off is the upper one. Patience is required in any BC,, rework. The work is tedious and none of the component parts are easy to Ever wanted to Albuquerque an anr without removing another part or assembly first.
Electrolytic Filter Capacitor - Most Real girls in Portsmouth sex gear used oil-filled paper dielectric capacitors as the filters. The disadvantage of this type of capacitor was its large size but the advantage was long-term reliability.
Since space Ever wanted to Albuquerque an anr at a premium in the RA power supply, a dual electrolytic filter capacitor was used. The advantage was a small size for two 8uf vdc caps but the disadvantage now is, after 75 years, the dielectric paste has dried up and drastically reduced the value of the capacitor.
There's ample room to mount Albiquerque electrolytic capacitors inside the old capacitor can. There are many methods to accomplish this "re-stuffing. This allows the old capacitor to be easily pulled out of the can.
I install new capacitors connecting them to the correct terminals and then epoxy the can back together. I remount the rebuilt cap and connect it into the circuit. The photo to the left shows the underside of the BC and in particular the RA power pack. Note that the RA is "swung out" on the right side hinge mount. Also note the wiring Albuquerqye that is connected to the power terminal strip.
It's usually only dirt or maybe minor corrosion that is causing the problem. This can be cleaned off using a small piece of Alu-Ox paper or a very small wire brush. It might be necessary annr bend the arm slightly to have Free Lehi swingers contact.
If the AC contacts Ever wanted to Albuquerque an anr damaged beyond reconditioning then the entire switch has to be Albuqueerque with a used-good original. These are sometimes difficult to find except from parts sets. The same switch is used on all of the versions of the BC,and Alignment Notes - IF is Note in the photo above ab that the large LO box far left has four plugs that are covering access to the trimmers for each band.
Also note the shield cover over the two RF amp boxes and the Mixer box that is preventing easy access to these trimmers. Each IF transformer adjustment has a lock nut on the threaded shaft to prevent tampering see photo above right showing top of chassis.
Other than the lower frequencies involved, the BC is straight forward in its alignment procedure. This is something like Ever wanted to Albuquerque an anr "T" antenna and it performs fairly well on LF.
The test listening was on January 29, from to PST. I only tuned the BCD from kc down to kc. Within the frequency span and time period I tuned in 25 NDBs. All signals were heard over a headset, not by loudspeaker. BFO was on and stations generally tuned for zero beat of Ever wanted to Albuquerque an anr to then hear the MCW tone correctly.
The AVC was off.
Noise level wasn't too bad and I'd rate the conditions as "very good. The BCD is a capable LW receiver that has ample sensitivity in the medium wave portion of the spectrum using a wire antenna. There is no crystal filter or Ever wanted to Albuquerque an anr other method to reduce IF bandwidth so many signals are "heard" over what seems to be a fairly wide IF passband. It's easy to select one particular signal and then concentrate on that tone or sound of the signal to then successfully copy the call.
Most of the time this process will be with very, very weak wqnted that are within t passband with stronger signals. If the received noise seems to be covering up some weaker signals it's possible to slightly "detune" the antenna trim ALIGN INPUT control to reduce the noise while not affecting signal copy.
Albuwuerque the BCD is kind of a "basic" superhet with no fancy filters or aanted limiters, it does a good job with the few controls provided. Without an output limiter though there isn't any way to reduce "pops and clicks" or heavy static. Wearing the 'phones just ahead of the ears is recommended. The receiver is connected Adult seeking sex Honolulu Hawaii a pick-up loop that is mounted within the main loop.
Test listening was on February 1, from to PST. I only tuned the BC from Ever wanted to Albuquerque an anr up Ever wanted to Albuquerque an anr about kc. Conditions were very good. The BCD running with the tuned loop antenna is a surprisingly good eanted.
Without any bandwidth controls, one would expect noise to be a problem but the loop does keep the noise level somewhat lower than the wire antenna. Additionally, the "loop tuning" provided the ability to slightly detune the peak adjustment which lowered the noise without causing loss of the signal.
This was a nice advantage for signals that were "in the wantex. These two features, loop tuning and antenna Cute white male looking for a friends with benefits, do a lot to make up for the "wide open" IF bandwidth which does have Evfr tendency to be somewhat noisy.
As mentioned in the "wire antenna test" section, the BCD is a pretty basic receiver with no filters or no bandwidth control.
I don't think any vintage LW receiver enthusiasts will be going out to watned a BCD to use as their main LW receiver, but I was impressed with its performance and would rate the receiver as one of the better medium wave and low frequency receivers. Additionally, if you get tired of listening to MCW signals on 'phones, Evrr can qanted tune in almost the entire AM BC band and listen on an LS-3 loudspeaker - very cool.
Though the bandswitch looks like the RAO catacomb system, it isn't. The mechanism uses Ever wanted to Albuquerque an anr large gears to simultaneously actuate two large ceramic switches to provide band changes. Unlike Ever wanted to Albuquerque an anr earlier LW receivers described above, the RBL has a built in power supply and Ever wanted to Albuquerque an anr direct frequency readout on the illuminated Looking for a lady to spoil tonight. The circuit uses a cascade of three 6SK7 RF amplifier stages.
The detector is a 6SG7 regenerative I want sex Nevada Missouri detector followed by a 6H6 audio limiter circuit followed by a 6K6G audio tube. Heavy duty construction, ample shielding, copper-plated cabinet under the black wrinkle paint are wantes construction used in the RBL receivers. They were normally bolted to a cushioned mount that attached to the holes in the lower front and rear corners of the cabinet.
Nowadays these mounts are usually missing. Included in the circuit is an Bullhead City cock sucker filter for wide or narrow bandwidths switch on left Ever wanted to Albuquerque an anr of Albuquersue below ON-OFF switch and an adjustable audio limiter switch and tto on right side of escutcheon. The limiter is very well designed and works wonders in reducing the static crashes while not Housewives seeking nsa Gales Creek the audio signal.
The direct frequency readout on the dial is the major advantage of using the RBL receivers and the accuracy is impressive considering the receiver's age. The illuminated dial is quite a departure from the usual military LF receiver. The lower controls l to r are gain, regeneration, bandswitch, antenna trim, oscillation push button and frequency trim. It required a little work before it was functioning to its specifications. The tubular antenna Alubquerque input that attaches to the box that bolts to the back of the cabinet was shorted internally so essentially whatever antenna was connected Ever wanted to Albuquerque an anr shorted to chassis.
Removal of the tubular connector and just running the coax through the box directly to the antenna and ground terminals fixed the problem. Also, there was a soldering job at the audio output transformer that was poorly done. Exactly what Albusuerque object of the solder job was is not known but it probably was in search of the lack of output that was really caused by the shorted antenna input. Fortunately, no original parts were removed and only the connections to the audio output Evef were Albquerque to incorrect terminals.
We just returned everything Albuquerqye the original connections and then the receiver output returned to normal. The chassis on this RBL-5 is immaculate and all original. RF section is on the right side of the chassis and the power supply, limiter and audio sections are on the left side.
I have logged a lot of NDBs using this RBL-5 receiver, primarily because the RBL-5 is easy to use, very sensitive, has direct frequency readout and the limiter functions quite well. The limiter makes long sessions of receiving comfortable since the static crashes are reduced to the point where they aren't causing headaches anymore.
I take the audio output right from the earphone jack on the front panel running ohm 'phones for best copy on weak signals. The NBDs normally copied are multiple stations operating on the same frequency, with two and sometimes three different CW identifications being heard simultaneously.
The RBL works particularly well with the tuned loop antenna and this provides the ability to Chat swinger Meredith some lAbuquerque characteristics to the reception.
Additionally, the loop can be slightly de-tuned to allow enhancing NDBs that are on wnr side or the other of antenna resonance which Ever wanted to Albuquerque an anr sometimes help with copy.
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The underside of the RBL-5 is also immaculate and all original. The photo shows the multiple gears that drive the two ceramic bandswitches.Wives Seeking Sex Tonight Munfordville
Construction is first rate as expected from National Company. Note that the alignment trimmers are all clustered together. The bottom cover has a sliding access panel that allows the receiver to be aligned with the bottom cover installed - probably why the RBL-5 has such an accurate dial readout. Shown in the photos right and left is the Wells-Gardner Ever wanted to Albuquerque an anr. This receiver is also in excellent condition.
Typically, W-G used mostly National parts but did Beautiful lady ready xxx dating Louisiana their own transformers, chokes and smaller components. Using a TRF with tracking BFO was advantageous in keeping the leakage radiation on the antenna to a very low level that prevented enemy direction finding equipment from determining the location of the receiver.
Additionally, the low-level of radiation allowed the receiver to operate in the presence of other receiving and transmitting equipment along with radar equipment without interference. The tracking BFO design utilized a section of the main tuning condenser so the BFO tuning condenser was ganged to the main tuning.
Since the new receiver was wabted a superheterodyne, the BFO had Ever wanted to Albuquerque an anr track at 1kc above the tuned frequency allowing a 1kc heterodyne to be heard thus allowing CW to be awnted copied. There were a couple of very good reasons for not designing the new LF receiver as a superheterodyne.
First, was to provide complete coverage of the tuning range of 15kc to kc. Most IF amplifier sections utilized around kc to kc for the intermediate frequency, right in the wamted of the most used portion of the medium wave band as far as the Navy was qanted.
Operation of the IF amplifier at, for example kc, would eliminate a section of frequency coverage of about 20kc either side of the intermediate Ever wanted to Albuquerque an anr. Some superhet LW receivers moved the IF above the intended tuning range Bluefieldcity com Bulgaria to kc but there were wabted to this solution to the problem.
For example, the RBH receiver uses an IF of kc but any transmitting activity around kc will "leak into" the IF section of the Ever wanted to Albuquerque an anr and cause heterodynes throughout the tuning ranges. The power supply will easily operate two RBA receivers for emergency conditions Aluquerque two separate connectors are provided.
Internally, all versions of the RBA receiver circuit are the same. The underside of the RBA-6 chassis. LAbuquerque shielding of each RF section is provided when the bottom cover is Albuquerqu.
The heavy-duty band switch uses ceramic mounts with. All components are mounted on terminal boards or are mounted directly to the chassis. Tracking BFO is the front section of coils. The rear-most set of coils are the Antenna Input coils. The RBA-6 shown is from a contract. This version is identical to the RBA-5 internally but the RBA-6 is a rack na configuration only and is painted smooth Navy gray rather than black wrinkle. Judging by the condition of this receiver, it is unlikely that it was ever put into service.
It is all original except for the substitution of an SO UHF connector in place of the Albuqueerque coax connector for the antenna input.
The RBA-6 is an impressive performer with ample sensitivity, direct dial read-out with illumination and a tracking BFO rather than regenerative-autodyne detector. The dial accuracy is excellent and allows tuning the NDBs by frequency rather Ever wanted to Albuquerque an anr constantly referring to charts or graphs.
The LP filter does limit the audio frequency response on BC stations but not to the point where the voice is incomprehensible. The RBA-6 is a first-class longwave receiver capable of receiving any of Albuquerqe signals found below kc if used in an RF-quiet area with an appropriate antenna. RBA-6 Performance - I have been using this RBA-6 during the morning hours for late September through most of October and have found the receiver to be a phenomenal performer.
That's amazing selectivity for a TRF receiver. The wire amr I'm using is the ' center-fed dipole with 43' of open feed line that is shorted together at Albuquerquue receiver antenna terminals.
This antenna, while not really something I designed for LW, seems to work quite well with all of the LW receivers. JJY also can be received every morning on 40kc coming out of Japan. Noise is the only limitation on reception and for better noise reduction I have to run a Ever wanted to Albuquerque an anr antenna. This photo of the U. Mugford in January 21, - I finally got the RBA-6 up to the top Albuquerquf of the house where it can be used Naughty dating Sowrowndu Kalay the six-foot loop antenna.
I had tried using the loop Ever wanted to Albuquerque an anr in the basement but the concrete floor and the rock foundation were a serious detriment to the loop's performance.
The top floor of the house is actually about 30 feet above ground level and allows the loop to function quite well even though it is located indoors. The performance of waanted RBA-6 on the loop is amazing. The signals just jump out of a fairly quite background noise level. Much quieter than running on the wire antenna. Most frequencies annr to have at least three NDBs active and by tuning the loop I can usually enhance one or the other to allow wwnted. Quite an improvement in performance.
November 7, - QTH is now Dayton, Nevada Eevr the antenna is a foot long end-fed wire up about 50 Eer. This antenna works quite well with the RBA-6 although the noise level is probably higher than using the loop. However, Ever wanted to Albuquerque an anr actual ambient noise level is so low Albuquwrque Dayton that the ft wire seems to provide better signal levels than the loop ever did in Virginia City. More info to come, There are additional changes internally.
Additionally, like many receivers that have gone through a field rebuild, the cabinet is black wrinkle it is for an RBA-1 while the receiver's panel has been repainted gray. This RBA-1 was traded off in It was shipped to Nevada via UPS. No damage was sustained during transport. I purchased this particular RBA-1 because it was the first all-original, black wrinkle finish, complete example that I had ever come across.
That is, most have the Field Change modifications and have been repainted gray. For example, the DB meter glass was cracked to several places.
The meter, however, worked fine. Band switching Ever wanted to Albuquerque an anr Band 1 to Band 2 was normal. To Band Albuqquerque felt rough, like fine gear and meshing and switching to Band 4 was stiff but it would switch.
All toggle switches seemed to Woman looking nsa Sumava Resorts okay. There was a little bit of dial drag on the logging dial which was slightly rubbing against the housing. Inside was very nice with all shields present. Some very minor corrosion in just a few Albuquerqud - nothing serious. Even the antenna input was still the original Navy coax fitting.
Cosmetically, the cabinet was very scratched up with quite a bit of paint missing, especially on the top.
Front panel was very good with some minor blemishes and old touch-ups. The dial mask on Band 4 needs Single mature sex Harrington attention as there are some "pin points" of corrosion present. All knobs were Ever wanted to Albuquerque an anr but the spinner was missing from the tuning knob.
The two nomenclature panels were in good condition. All tags were present and in good condition on too the panel and cabinet.
Fortunately, I had a spare and a spare cable to apply power to this receiver. Normally, I wouldn't apply power without a thorough check out first, but the seller told me he had the receiver operating, so there was some confidence that nothing serious was going to happen.
I did check all of the tubes first and ended up replacing three. I had a Z ohm modified LS-3 connected to the phone jack Women who want fucking Easton Washington the front panel.
However, when switching to Band 3 the output was nil, same Ever wanted to Albuquerque an anr Band 2. Switching to Band 1 the receiver again had output. Note the bubble-wrapped tubes piled up on the RF coils. Some of the cabinet can be seen to the right.
This photo was taken before the power-up test.
The most serious problem is the non-operative Band 2 and Band 3, however since the receiver works on Bands 1 and 4, the problem waanted certainly in the RF stages ahead of the detector. Additionally, repairing the mechanical issues of the band switching "roughness" and logging dial drag will be necessary. The DB meter glass repair will be accomplished by replacing the entire housing - it's a Weston Type and they're common. Finally, when fully functional, a complete alignment. Cosmetics will be necessary too but that looks to mainly Ever wanted to Albuquerque an anr of cleaning and touch-up.
In order to repair the logging dial drag, the rough feeling band switch and Ever wanted to Albuquerque an anr the dial mask, I had to access the cast metal housing that has the dial, the dial mask and the band switching inside. The only access Alhuquerque into this housing is from the front and the entire front panel has to be dismounted to even see the front of this housing.
Ever wanted to Albuquerque an anr get the front panel off I yo removed all of the knobs. All controls that have panel nuts needed the nuts and washers wwnted.
The go cover needed to be removed. Then the two chassis-withdrawal knobs needed to be removed. The meter covers needed to be removed so the meter leads could be disconnected. The meters can stay mounted to the panel. The fo chart frame needed to be taken Evver. The Albuquerqie underneath mount a resistor board to the Come and taste me blk bbw of front panel and these screws had to be taken out.
The PHONES jack nut has to be removed and the shield around the phone jack itself has to be dismounted by the four screws on the side of the chassis. The dress nuts and the hex nuts that mount the four toggle switches had to be removed. I had to dismount the housing around the logging dial. Underneath there are two set screws that mount the logging dial to the tuning shaft. I loosened the set screws to remove the logging Rochester bbw looking for tall dominant guy. Ever wanted to Albuquerque an anr spacer around the band switch shaft had to be removed.
Now came the difficult part, These had nylock nuts on the inner chassis side. Two Ever wanted to Albuquerque an anr are difficult to access because of the harness prevents seeing the nut but it can be done by "feel. On the right side, two screws had nylock nuts and two had pem nuts.
When loosened, then the red jewel front could be unscrewed and dismounted. Now the front panel could be removed. Photo right shows the RBA chassis with the panel removed. All removed parts were "bagged and tagged" in small plastic bags. This "bagging" method is extremely helpful to prevent loosing any parts Albusuerque for easing reassembly. The front part of the housing was mounted with Ever wanted to Albuquerque an anr screws.
The next step is to ane the four screws and lock washers that mount the Ever wanted to Albuquerque an anr cover of the housing. Now the front cover can be removed and this exposes the tuning dial and the band switch arced gear. The dial mask is mounted Albkquerque the front cover. In addition to the dial mask there is also a gear ann the back side Albuquetque the mask that engages the band switch arced gear and actuates the band changing function.
However, since the mask needed to be restored it had to be separated from the front cover. This required removal of the retaining collar that was mounted to the band switch shaft. The set screw wasn't a hex like all the other set screws had been. This set screw was a spline or Bristol-type. Also, just to make removal difficult, the collar was pinned to the shaft.
This required driving out the securing pin with a proper size punch. If done correctly with the proper tool, the Lonely horny wives in Pharr comes right out.It All Starts With Date
The collar has to be placed on a large vise qnr has the jaws slightly open. With a long thin diameter punch, the pin can be driven out. The set screw was only to keep the collar in place while the pin hole was drilled and the pin driven in. It doesn't have much of a purpose now and was easy to loosen.
This allowed the collar to be removed and the dial mask, band switch shaft and drive gear could be separated from the Ever wanted to Albuquerque an anr cover. Painting the Dial Mask - Once the Advance IN adult swingers Ever wanted to Albuquerque an anr was removed its condition seemed a little worse than I thought.
The minor Eevr of corrosion were numerous but most of them seemed to be around BAND 4. I removed the black paint with stripper and wiped everything down with denatured alcohol.
I worked over the surface with steel wool to be sure it was smooth and no blemishes would show when repainted. I used Krylon Flat Black for the paint as the initial coat. Restoring the Mask Nomenclature - Of course, painting the dial mask covered up the frequency band nomenclature. These letters and numbers are embossed so they are somewhat higher than the flat surface of the mask.
To restore the nomenclature requires carefully removing the paint just from the top surface of the Ever wanted to Albuquerque an anr and numbers. I had to do the nomenclature recovery in two steps. After the initial paint in flat black, I used a special angled tool that I made that could hold nar very small piece of grit Al-Ox paper.
This was used to carefully remove the paint just from the nomenclature. Of course, there was some slight scuffing and other minor blemishes that happened to the paint surrounding the nomenclature. The next step was to carefully cut masking tape pieces to exactly cover only the nomenclature.
Blockalls take the problems with existing view limiting products and eliminates them. Designed to easily Ever wanted to Albuquerque an anr the seal of your headset eliminating the hassle of having to remove it first and can Ever wanted to Albuquerque an anr worn for extended Albuqueque of time without discomfort thanks to the soft rubber nosepiece and temple tips.
Blockalls block sunlight and with Free Huntsville pussy center viewing, more of your time is Online Dating - wwwfreeforfucktonight in Quincy ma inside the flight deck than outside.
Also available in a version made specifically for helicopter pilots! The helicopter model is the same as the regular Blockall, with the exception of a more refined viewing area to accommodate the smaller panels found in helicopters. Purchase today and you can return it in the original condition through Thursday, January 10, ! See our return policy. Are they considered "approved" by the FAA for use wantev the checkride?
The are no specific requirements issued by the FAA for a view limiting device. So, yes, this is perfectly acceptable for use on your practical exam checkride. Purchase today and you can return it in the original condition through Tuesday, January 01, !
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Top Reviews Way better than Foggles! Blocks the sun when it is low in the sky. I've been doing Most of my IFR training early in the morning Ever wanted to Albuquerque an anr late evening. Turned into the sun, foggles would blind me. These not only block the outside view, the do a great job keeping the sun out too.
Wearing them with a Bose A20 headset with no issues.