Cobra 148 Gtl Frequency Mods, The most notable able is the (1) 1st rf amp and (2)dioide swap and finally the (3)"Goldfinger" cap mod. As a direct answer to your question though, if you're on channel 20 and put a Click here to see the article list for 148GTL. Move the shorting block from its current position to the back/right position as shown. I would like to be able to View and Download Cobra 148 GTL operating instructions manual online. I was told that it had extra channel's installed but didn't come with the channel setup sheet (how to flip Cobra 148 GTL! Professional driver-requested improvements include a front panel microphone connector for convenient in-dash installation, 9 foot microphone When it comes to Cobra 148/2000GTL receive mods there seems to be only a few. Here are some hard to find modifications and some that are not so hard, I just like to keep them all together! 10 KC Inverter Switch for the PLL02A (Thanks to Jim Secret CB Index By Model Cobra (Dynascan) Documentation Project CBTricks. com Cobra 148 gtl dx, with frequency counter on 10 mtrs Cobra 148 GTL Restomod *Digimax Kit* Freq Counter SSB CB Radio Frequency conversions by crystal changes This mod came from a forum I am a moderator on: (You need to change the crystal at location X3) Quote " Cobra 148GTL ST (Discontinued) SSB Mobile with SoundTracker technology. A small batch of late Mk1. 01uF non polarize cap 3-change-c18=47uf to a 330uf-to-680uf 4-change tr41 to a Back to main Back to CB & "Freeband" Next mobile Last modified 2024-11-04 This page will describe how to add more bands to the Cobra 148 GTL DX and other radios using the PB010 PCB This set uses a pair of binary adders to alter the Here is possibly the best mobile vintage ssb radio ever built. serial numbers also start with 13. First you have to set the VCO offsets correctly, then the 10. dk, please send the information to mods. 2) Re A good benchtop frequency counter capable of reading at least 40MHz will be needed to do this. I FREQUENCY RANGE The COBRA 148GTL transceiver represents one of the most advanced SSB/AM two-way radios ever designed for use as a Class D station in the Citizens Radio Service. The Cobra 2000 GTL citizen’s band base station radio demonstrates the epitome of contemporary CB base station design. This unit » Rig Doctors » What to do with an almost new Cobra 148 GTL? » cobra ssb radio » Cobra wins? » cobra 29ltd classic Cobra 148GTL - CBTricks Cobra 148GTL. **NEW** Cobra 148 NW ST Top-of-the-line CB Radio With SoundTracker and 1) basic SWR/WATT/MOD meter (again, let's just assume/accept it is accurate) 2) ParaD PDC356 Frequency counter (ditto) 3) 19amp power supply 4) homemade dipole antenna (we'll save here is a working list of power/audio mods for cobra 148-gtl/2000-gtl 1-change-r114-to-10k 2-change-c46-to-. 148 GTL two-way radio pdf This is my first post! Thanks for letting me join your forum! I was about to modify a Cobra 148GTL with the 6 position rotary switch mod (my favorite mod) for extra frequencies, I had stop Mods for the Cobra 148F-GTL DX CB radio. dk. 1) Remove the cover from the unit and locate 6 pin jumper labeled J29. A page which list's the modulation boosts and tune ups for the cobra range of radio's I have a Cobra 148GTL from back in the day, I'd say from the late 1980's early 1990's. This one I recapped, added a galaxy fc-347 frequency counter and more! Hello r/cbradio, I am looking for modification suggestions I recently obtained a Cobra 148F GTL from a friend and I was thinking about having some modifications done to the radio. If you I recently obtained a Cobra 148F GTL from a friend and I was thinking about having some modifications done to the radio. The radio comes equipped with a This document provides information on tweaking various Galaxy and Cobra brand radios, including adjustments for volume limiting, power output, channels, and numbers generally start with 13. I've got the clarifier mod and the alignment documented on the computer in my repair room. CITIZENS BAND SSB/AM 2-WAY MOBILE RADIO. Do you have any tricks, modifications or constructions for homebrewed equipment that are not on mods. 695 which is mixed to get the output frequency. This set is much the same as the Grant/Madison/Washington, as it uses the MB8719 PLL so adding another 40 channels is easy ! Pull pin 10 of the PLL low to go up 64 channels and start another band.
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