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i used to run a 21GTL for a while and the main difference is that the 25LTD has a noise blanker circuit. I actually added that circuit to my 21GTL as the board has the holes and silkscreens just not the parts. the other differences are the RF gain and dimmer switch on the 25. both models have...

TP8 is the one you're looking for. its in the PLL section of the radio. you'll have to set the offset inside the counter so you will need to find the instructions for that. should be easy to find. You'll notice that the freq will read off by a bit on both USB and LSB and this is just something...

i was listening to some guys in california talking the other day and they said that the 111111 guy is just over the texas border in mexico. Apparently there are people actively trying to locate him but he's on the other side of the border. This is just what i heard so i have no idea if it's...

check the "sticky threads" section at the top of this forum, just above where you see your thread posted. in there you will find links to service info. search around until you find your radio or its equivalent because you need a road map to really do any repair. without knowing what equipment...

399 out here single handedly bringing back CB radio in Colombia. It's really good to hear that you are so busy with repair work and even better to hear that there is an actual CB community forming down there! To answer your question i think shopgoodwill.com always has some old CB radios for...

yes. when you switch to KHZ it will drop off the first digit. that's why it's a "secret" 1hz resolution counter! LC

Here's a little known "secret". This counter will do 1hz resolution with a 1 second gate time. https://www.ebay.com/itm/156147111428?mkcid=1&mkrid=711-53200-19255-0&siteid=0&campid=5336136228&customid=&toolid=10001&mkevt=1 it will also do .1hz resolution with a 10 second gate time. yes it's...

Also, Brandon if you're looking for something that you can leave on all the time and is about the most accurate calibration you can get, look into getting a GPSDO. they can be had for less than 100 dollars on the bay. LC

i bought one of these years ago: https://www.ebay.com/itm/363166951770?mkcid=1&mkrid=711-53200-19255-0&siteid=0&campid=5336136228&customid=&toolid=10001&mkevt=1 I checked it against a known calibrated lab counter we had at work and the damn thing was dead on to .1hz. Ive been using it since...

holy crap nomad. that's a great idea. i'll try it the next time i do a san jian counter on an 858 radio.

the mic gain control on a CB radio is not actually a gain control at all. It's an attenuator. Mic gain set at max is zero, and you can go down from there. All radios get aligned with the mic gain at max, so if someone has a radio that sounds like crap with the mic gain turned up, they have...

This video explains a change they made in the malaysian 148's. the video pretty much explains what they did and how to change it to be the same as the older 148's. this could be the reason for your audio hum. LC

Well i guess it's about that time of year to bump this old post back to the top. Merry Christmas to all forum members and friends! I believe Santa may have upgraded from a sleigh to a drone. LC

I saw that he'd moved over to Rumble earlier this year. However you can see from the videos there that he was making around 5 videos each month. The last video he made is from about a month ago, and one of the titles is "the last 2000GTL SS". I did converse with him on his live chat a couple...

Hello all, Well as of today i can confirm that two long time CB related channels are now gone. SnakeRadioCustoms was Tim's CB shop channel and it has been gone for a month or so now. word is that Tim has retired and sold off all his gear/stock to someone who is interested in getting into the...

That Drive control is a matching control, not a level setting control. It should be peaked for max, not set for a desired output level. as can be seen in the diagram below, it is matching the output impedance of the two driver tubes to the input impedance of the five final tubes. LC

wow! thank you Danzik and Nomad for all that info! it is very appreciated. Now i just have to figure out what tube/tubes i want to run. i do have a 6 volt 20 amp transformer lying around somewhere... LC

Sorry about the confusion, this is the relay i need a part number for. thanks!!!

I think all the tubes should have a parasitic setup on them, but i believe that mine looks exactly like your pic shows, with one tube not having one. As for expected power output, when i bought mine on ebay 20 or so years ago, i used it without even opening the lids, and i believe i was getting...

To bring this back around to Secret Squirrel's original question; one thing that hasn't changed is that when kids get around 14 years old, they are exposed to more adult conversations and topics. When you're 8, and your parents are talking about politics at the dinner table, you don't even have...