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Justme, Thanks for the detailed description of the procedure you used.

Interesting. So where do you run the carrier control knob now that you've tweaked the "power in AM" in the service menu? Did you leave it at max and adjust it down to 23 in the menu? Thanks for the extra info. Sounds like you have it doing right at or just a smidge over 100% positive peaks...

Could you not drop the carrier below 40w without going into the service menu?

Cool, Tokin. Thanks for sharing. I've heard people rave about those little EQ/Compressor units. Do you have any cap mods to widen the TX up a bit on your 29 or running it stock audio bandwidth?

Drail also has a "variable bird" mod that is just an NPC mod with the value of the resistance in the "NPC" circuit (a diode and resistor) variable. Of course mucking with how much avg/rms swing vs. peak swing with an NPC changes the audio frequency response of the transmit audio - so I don't...

I know from first-hand experience the Flex & Anan radios work quite well on AM transmit (much better than any modern knobbed HF transceiver) in terms of being able to reach 100% + modulation. Anyone tried one of the SunSDRs? They've got a QRP model 5-8 watts that looks interesting and is under...

Thanks for the replies. I sprayed some de-oxit in the channel selector and rotated the channel knob back and fourth for a while, let it dry, then repeated a few times. The digit in question no longer flickers when I tune past channel 21. So to anyone who sees this thread in the future, it's...

So my favorite Cobra 29 has a channel indicator that is acting a little funny. It's an older side mic 29 and when you change to/from (or past?) channel 21 a part of the 2 acts like it wants to go out (it flickers a bit). All other channels 1-40 channel display illumination is solid, including...

I have a Flex 1500 I need opened for MARS tx. How can I reach you for help?

Oh don't get me wrong, it's a sweet rig for sure with a beautiful receiver and very nice software, especially if strong AM transmit isn't important to you. I just can't get the CB'er out of me no matter how many ham licenses I acquire. It's possible they released an update that backed off on the...

I had one a few years ago. Am transmit was anemic with all but a 1khz tone then it'd do close to 90+%. Otherwise it was a nice little qrp sdr with knobs. Using the software was night and day better though in terms of options and filters. For the money, I'd still rather have a mars modded flex...

SMILEX, did you ever figure this out on the IC-7300? I tried the ALC potentiometer defeat on the IC-735 years ago and it worked like a champ, radio modulated like a Cobra 29 from any reasonable carrier setting below 25 watts. When I briefly tried it on an IC-7300 recently I did not observe the...

There's this thread, with a picture of the radio in question - but his Asymod board is covering the spot where his IF tap is soldered to: https://www.worldwidedx.com/threads/asymod-iii-schooling-snake-oil.241997/ It's "somewhere under that board" lol

543_Dallas (Forum member here) posted details about a modern AM only CB that he had an SDR connected to the IF on. You can probably find the thread if you search a bit. Or maybe he'll see this and chime in.

Never heard of it. Where did you read about it or see it. Some additional context as to what you're after would be helpful.

WTB - Flex 1500 w/ MARS mod or Apache Labs Anan 10E

https://www.ebay.com/itm/Pofessional-Colt-Double-Modulator-for-CB-transceivers/272970087553?hash=item3f8e48fc81:g:sKIAAOSw2cRcZRaa Will this turn a Cobra 29 into an SS-3000?

Tuned in for updates.

Thanks, Sonoma. I'll give that a shot.

Not even a question, the 2000. In working condition, it's receive blows that of the 142 away. You are welcome.