ISO Teaberry Stalker 202 Service manual
Picked up a stalker and it needs some help. Ive searched the web and the forum but haven't come up with anything for the 202. It has the pc176bd board with the 858 chip, is it possible to cross...
View ArticleGalaxy DX959B Radio Problem
I have had this radio for almost 1 year. It has been a good radio. It has developed a problem. Recently I left the radio turned on for several log hours in my truck. The windows were rolled up and it...
View ArticleJohnson Messenger 2 RX RX Cuts Out Strong Signals ?
My Messenger 2 rx cuts out and fades back in strong local signals....anyone got an idea why ?
View ArticleCobra 29 NW ST WX - weird problem
Difficult explanation...I'll briefly describe symptoms and skip to the weird stuff. TX modulation drops to nothing after a few seconds of keying. RX audio is faint, though the meter shows RX is...
View Articlelooking for a Oscilloscope
I am good at the work I do. I have mastered it damm good. Was thinking of getting an Oscilloscope to measure modulation and watch and learn about audio. I may never have the Time or Ambition to become...
View ArticleAMPLIFIER FUSE BLOWING OUT
I've noticed many of the 11 meter amplifiers being offered on eBay have this common problem. When the amps turned on the fuse goes south. I've seen a few well built amateur amps described as having...
View ArticleUsed Cobra 148 GTL on Fleabay
Priceless! I am not sure where this seller got the Soundtracker from. http://www.ebay.com/itm/Cobra-148GT...925280?hash=item3f791da3e0:g:xqgAAOSw4CFY4Jhb
View ArticlePresident Madison Freq Counter
I got a real clean lookin madison, its the 8719 pll version, it has an open clarifier, The clock does not work in NZ due to our 50hz mains, clock looses 3hrs per day lol, so i took it out and put a 6...
View ArticleMOSFET conversions for upD858 and MB8719 boards
After doing some research, and a lot of testing, I have successfully done conversions on the upD858 AM/SSB and MB8179 AM/SSB chassis. For these conversions, I used IRF520N's from International...
View Articleuniden 980 discontinued
I see on a listing from Lescomm the Uniden 980 radio has been discontinued. the radio seemed to be a good SSB radio and hard to believe it is already being discontinued. I wonder if they are coming out...
View ArticleBase station- how much coax is too much?
I am finally getting ready to put up my tower and get a base antenna up in the air. I have chosen LMR-400 as my coax of choice, based on performance and cost factors. I can put the Rohn 25G tower next...
View ArticleGray Electronics Three Hundred Bi Linear into needed
I brought back into service an old Gray Electronics amp, looks like someone hooked it up backwards and burned traces off the board and then cannibalized the switches, but its fixed now. I cannot find...
View ArticleCobra 139xlr, I need help
Hello everybody, I got this off flea bay as parts only- non working and they were right. I recapped all electrolytics, sprayed all the switches with Deoxit and she roared to life in SSB mode receive,...
View ArticleCobra 139XLR or TRC-458 AC Power cord
Where can I find this? Is it similar/same to other power cords from another product that will work on these radios? If this is a standard plug type; then I've never seen it before. View attachment...
View ArticleMOSFET Question
Happy New Year one and all. Over the past several years, I've done various conversions from NPN finals to 2030 or IRF520 MOSFETS with mixed results. In single final radios, I typically see the MOST...
View ArticleCobra 29 early 23 ch info
Hello guys, I acquired a Cobra 29 early 23 channel version. The receiver is sounding weird, sounds raspy and this problem goes away when I try to align the IF stage. Transmit works nicely. I'm hoping...
View ArticleSufficent drive for amp
4 2sc2879 transistors, converted Twister am, was a 1x4 now straight 4 pill with bias. From the spec sheet I see the 4 pills need around 20 watts drive peak to saturate. Using a Stryker 440hp running at...
View ArticleUniden does it again...
https://www.uniden.com/automotive/cb-radios/id-BearTracker885/BearTracker_885
View ArticleMic emits sound
I have a realistic amplified dynamic desk mic (21-1173) that has started emitting a "clucking" sound when I release the PTT lever. (OK I know I just opened this thread for a boat load of mud ducking...
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