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vswr's latest activity

  • vswr
    vswr reacted to brandon7861's post in the thread Cobra 142 GTL with Like Like.
    If someone played with L20 and got the 11MHz crystal to go down 3.333kHz, that would be 10kHz at the tripler. You should see if that...
  • vswr
    vswr replied to the thread Cobra 142 GTL.
    Yes. The 1125
  • vswr
    vswr reacted to brandon7861's post in the thread Cobra 142 GTL with Like Like.
    what 11MHz crystal does it have? (I assume the 11.1125MHz crystal).
  • vswr
    vswr reacted to brandon7861's post in the thread Cobra 142 GTL with Like Like.
    I did that in excel
  • vswr
    vswr replied to the thread Cobra 142 GTL.
    Thats cool but the 10k shift throws some of my channels into the A channel area. I did think about doing that mod but when I got into...
  • vswr
    vswr replied to the thread Cobra 142 GTL.
    All great info but how do theybstrip off the 10kz when all is said and done? Thats possibly how my 10khz stays coupled along the path...
  • vswr
    vswr reacted to brandon7861's post in the thread Cobra 142 GTL with Like Like.
    Looks more complicated than it really is. The top two lines have some stuff in them but the rest is just ctrl+D to fill down. Here is...
  • vswr
    vswr replied to the thread Cobra 142 GTL.
    That is amazing work!
  • vswr
    vswr replied to the thread Cobra 142 GTL.
    Such great info. Is this stuff available for all CB radios? Or did you do this in excel?
  • vswr
    vswr replied to the thread Cobra 142 GTL.
    Thats amazing. Im gonna print these out and study them. Thanks Brandon!
  • vswr
    vswr reacted to brandon7861's post in the thread Cobra 142 GTL with Love Love.
    If it has the 11.11125MHz crystal (in AM, it's 11.1116666MHz): If it has the 11.325MHz crystal:
  • vswr
    vswr replied to the thread Cobra 142 GTL.
    They are all shifted by 10k.im thinking its the VCO area. Mind you, this was someone's hack job. Its a real mess. If I had some base...
  • vswr
    vswr replied to the thread Cobra 142 GTL.
    The truth table checks out on all channels. The freqs are all up by 10k. Not down by 10k. I tested it for receive using my walkie as the...
  • vswr
    vswr replied to the thread Cobra 142 gtl with a few problems.
    Some issue withbthe clarifier as well. At 9 o'clock it drops out. Even when aligned to the 5 volts I lose my transmit. If I field adjust...
  • vswr
    vswr replied to the thread Cobra 142 gtl with a few problems.
    Ok so new findings. The truth table is correct on every channel minus the offsets caused by the alignment issue which I cannot do until...