Doc's Electronics in Buffalo,NY.
Has anyone on the forum sent a radio for repair or improvements to Doc recently?
View ArticleNoise Toy Sound CD
Yes, I know the general thoughts and opinions on these things but like I've said previously, it's not about you it's about the consumer. So I had the CD put out by Redman and mine has decided it...
View ArticleHeathkit SB221 Inspection
Just bought this and it got here yesterday. Prognosis, blown R3. So far everything looks ok, looks like new actually. The plate transformer looks tweaked a bit though. Anyone have advice on actions to...
View ArticleMagnum delta force mosfet conversion
Hello I have a magnum delta force with both 2sc1969 finals blown and was asking if anyone has ever put irf520’s in this radio I have several of them and would like to go ahead and convert this radio to...
View ArticleWhat's your primary mode of operation?
Just curious to see what the primary mode of operation everyone is using. I'm a side-bander that can be found on channel 37 LSB. Don't use AM mode much except for road info on channel 19
View ArticlePresident McKinley adjustments..??
I took the top off my new President McKinley radio and was looking to find the modulation pot.. to turn it up a hair, which must be RT206.. but what is PLC?? I see AMC RT206, PLC RT202 201 is the...
View ArticleUpdate on Lou Franklin/Orders.....
For some reason, I got an urge to retry things on getting in touch with Lou to order a set of those books. Sitting there looking at his site, I got a "way outside the box" thought. Call his FAX...
View ArticleMotorola Mocat 2020 LED display substitutes
I’ve been working on an old 23Ch Motorola Mocat 2020 lately and since there’s little repair info about them, I thought some of you might be interested in knowing a couple LED orange display substitutes...
View ArticleJohnson Messenger 2 Has Feedback Coming Thru Its Speaker? Video.
I'm stumped...anyone know what is causing this and how to fix it?
View ArticleCodes and Zone Laws for Base Antennas
Be aware! When you think that everything is running smooth as silk and then Murphy's Law comes out of the woods. The tip of my Solarcon MAX 2000 is forty-six feet above the ground. The highest obstacle...
View ArticleSILVER STREAK 150 (2 X MRF455) ?
What is it about these little amps ? IM sure I've had 1/2 a dozen of these things over a few decades it would seem. (They work ! and whomever builds them ,IM guessing they have been building them for a...
View ArticlePanasonic RJ-3660 Backwards Driving
Hi Gang, I have on the bench a Panasonic RJ-3660 that I have been working on. New caps, de-mod and align. The radio is AM only and will dead key at 3.7 watts. Modulation looks great on the scope but it...
View ArticleNeed QUAD Expert for Spacing of elements
Ok, I am building a 2 element quad for 11 meters. I have checked many building plans, and many online calculators. None of them agree. For the spacing between driven element and reflector, I get...
View ArticleRebuild the Stellar Turner +3 Microphone
The Tuner +3 is a fine microphone for communications. Besides being amplified, it has an audio compressor inside that makes for louder average modulation without over-modulating your radio. This...
View ArticleSS9900 question
Is there really any difference between the SS9900 and the AT6666? I was considering this radio for the shack. But the price difference has me questioning, does it have features the 6666 doesn't have?...
View ArticleRealistic TRC 495 tune up info. TRC495
Here we are again. another Realistic chassis with no schematic or service info. to be found. yes, we can find the modulation pot and the tuning coils for the driver and final, but thats about it. so,...
View ArticleSide mic cobra 148gtl instantly blows 3amp fuse
Hey guys, I recently purchased a 1989 Philippines cobra 148gtl from shop goodwill. Com. So I don’t know the history of the radio. The radio appears to be bone stock, no channel mods/soldering in pll...
View ArticleTRAM D201 non HW receive issue and 0 modulation
OK I have a Non Hand Wired D201 that I believed to have a bad 455KHz Can (T401). I installed a new known working one and I'm getting the same very low tone. I have my signal generator set at 30%...
View ArticleExternal Speaker
Hopefully this will be a short thread because I could not locate a thread relating to external speakers. I found a new Cobra S500 external speaker in its original box and no literature, packed-away...
View ArticleQSLing 11 Meter contacts
Just started in October, have been mailing cards for about a month now. Finally starting to get some emails letting me know they’re arriving. I picture my letters in a half torn burlap sack being...
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