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"HiFi" for a more robust, and rich sound! Shout out to Rev Bow, for the BME thread + schematic, shout out to CBPhreaker for the Wabi-Sabi mod. (Darlington Pair) Nomad is correct, without "rebuilding" the RF section around the decrease in voltage the radio output = QRP. If one wanted to go...

Ray Jefferson 5525 Hercules Marine VHF

Best Regards

It's at a friends house, he passed away 2 years ago. Haven't bothered the remaining family about it.

To cross the threshold.

I've picked up a few adjustable fibergass tipped "pens", a few twists exposes fresh fibers after they've worn down.

Head Games by Foreigner

Can we all agree that sometimes we disagree; no need for a p*ssing match here gentlemen. ;)

The same concept can be applied to Cobra 1000GTL! RX: TX.

This is just the basic idea. Credit should go to CBphreaker whos excellent work and kind mentorship brought these mods to light. A.) Disconnect the 10.240MHz signal from the TX mixer. Build a 10.695MHz oscillator and inject this signal into the mixer instead. Add a SPST switch (tied to...

Perhaps that bias voltage is too high, should be about 3.7 V for the irf520.

It works, straight off the generator..

Hello all, I am Considering Operating a CRT Oscilloscope from a Gasoline Generator. Are there any precautions I should be taking to avoid potential E.M./R.F. interference contaminating my signal sample? Would a D.C. battery bank and full sinewave inverter help me in this regard? Would a...

Allow me to not explain the technical side.. The audio loses it's punch after this mod, but the meter sure "swangs"...

Judgeing by the info in his post alone I'm going to go ahead and say this isn't an NPC mod. That's all marketing hog wash as far as I can tell... It's the variable jp36 mod made up in SMD..

Yeah no worries Bow, I used the KF5INZ "Easy Digi" Soundcard interface purchased on eBay. The radio has an RS-232 Serial Connector mounted on the back panel, this connects to a few spots on the easy digi PCB tucked away inside. An onboard switching circuit connects to the radios p.t.t. TX...

Here is an early G.E. Mobile, standard A.M. 40 Channel Radio Transmitting a SSTV signal with an easy-digi and RS-232 to USB adapter. The image can demodulated using an RTL-SDR and freeware. (experimental testing performed using an r.f. dummy load.) I.m.o. F.M. and limited data should be...

Thread: https://www.worldwidedx.com/threads/cobra-25-wx-nw-st-lowering-the-deadkey-question.211315