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Hello I am trying to help a friend, I know i read a post a maybe a month ago about how to release a tunable core that is stuck. We know how easy they snap and he is restoring a FT101EX not that the radio is relevant. SO if anyone can help with the best way to get this loose please respond and...

Question for you all, I am looking for a meter replacement for a Texas Star Dx667v. I am not very knowledgeable on meters and i have changed the gauges in my car from black to white with new decals so i hope that i just need a meter of the correct size and value and could carefully? remove he...

Hello All. Myself and a friend are wanting to build a couple of 4 transistor mobile amplifiers based on a old designs that have been floating around the web for many years. However the plans uses Toshibas 2sc2879's but we are going to use HG's. Can anyone tell me what changes do we need to make...

Hello I am looking for a service manual for a Cobra 140gtl and so far have not been able to find one online. Does this radio have a "twin"? I would not thought it would be so hard to find. If you have any ideas where i could find one I am trying to help a local user to be able to troubleshoot...

So i spent the afternoon helping a friend put up a NOS Radio Shack 1/2wave antenna, Now it was put together as the instructions were printed. However when it was put up using a MFJ antenna analyzer it was way off. The antenna needed to be shortened, As the each piece of the vertical slip into...

Hello everyone, I am trying to help a friend repair his RM Italy KL-503 and am having a hard time trying to find out which mosfets to use to repair this amp. I have been searching all over the web and thru forums and have a list of mosfets that people have listed as what to use for correct...

Question for those who know more than myself, The variable on the DX667V calls for a 100ohm 2watter. I plan on using a 5 watt version but should i use a regular carbon type or a wire wound? I know that i have read before that under certain uses wire wound should not be used. So do i order...

So as the title says i just picked up a old Texas Star dx667v and i have a nice new 150amp variable power supply. My question is what voltage should i run it at? If it matters it uses non red dot toshiba's and it seems to run without any problems. It does have a 120mm fan kit installed under it...

Hello I have a bunch of old tube gear and am always looking for spare 6KV6 tubes. I have probably 18 of them from most manufactures and NONE of them have a grid/anode cap on top. Now i found a guy selling a pair but they have the cap on top and i am confused? They are marked 6KV6A ? Is this a...

Hello all. Question, I have had a PAL A1 VFO for many years and have used it with a Cobra 138 and it has worked fine. However i have a few Cobra 138's and gave one to friend to use and go another Pal VFO A1 although this one is much newer or appears newer. It is now called a PAL VFO PLUS now and...

Hello Does anyone know anyone that has for sale good old 10 foot antenna masts? I have checked all over the local Seattle WA. area and it seems nobody sells them? I can find 5 footers and they are crazy expensive but with he demise of Radio Shack it seems that hey are now just gone, So i am...

Hello all! As the title says im not sure where to post this but here goes. I have a question about testing vacuum tubes? SO a 6LQ6 tube normally seems to come in boxes labeled a 6LQ6/6MJ6/6JE6C, Now i have a bunch of these but when i go to test them what tube data do i test under? All 3 of these...

Ok i am now about two weeks until my tree climber is going up my 100 plus foot tree to mount my antenna. I have never used a CMC on a base antenna before however i am much more read then i have ever been. So As of now my antenna choice #1 will be a original Avanti Astroplane if he installer...

I have read so many posts about old versions vs newer versions of the Imax2000. I have been checking all over the internet trying to buy a New older version before all the problems with the shorter less than 24 foot version, And the price for buying one of the new Imax2000 with optimizer is...

Hello I have had MANY D104 microphones over the years but i have never had a Silver Eagle. My understanding is that other than the push to talk they are the exact same thing. Can anyone tell me what i am looking at in the picture? Is it a normal Silver Eagle? Or is it a conversion of some type...

So i have a blue"palomar" skipper 2 transistor amp that is very low on output. Starting on low.med,high to max it goes from 10w to 20,30,40 and max out about 50w. When testing it SWR was good and it did not get unusually hot, and both transistors got warm. At first i thought maybe one of the two...

Hello. I am looking to replace a hard to find relay. The correct relay is a Potter & Brumfield KA14AY Relay 12volt a/c. The problem is hey are crazy expensive. However i can find a Ka14ay 6volt a/c version so my question is can i just put a resistor inline to make it work in place of the 12v a/c...

Ok so i dug out one of my old D104 amplified mics and it seemed to burn thru 9v batteries rather faster than i remembered, So i noticed i had a 1/2watt 47k in it, so i thought i would swap it out for a 1/4watt 33k as i was out of 47k's and it seems to work fine. Is there any reason that it is a...

Hello. In my stack of old antennas i believe i have a old big stick. The bottom section is 121.5 inches and top is a 102 inches. For a total of 18.625 feet. Is this correct?

Hello, I am attempting to repair a amp of a friend, He ad a mic that would key up by itself. I did repair the mic as it had a loose wire and would go into transit mode if the floor was bumped. Anyways while he was away from the room the mic keyed and left the radio WITH the amp engaged for a...