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  1. mrosentel

    Improving ufh voice radio

    The VSWR was checked with the car not started @ 1 to 1.3 depending on the area top, bottom, side to side. I am thinking that I am getting some kind of interference from the car when it is running around the track at high rpm's. The telemetry radio is mounted right ontop of the voice radio, do...
  2. mrosentel

    Improving ufh voice radio

    The master repeater is located in the pits of the track, not centrally located at the track.
  3. mrosentel

    Improving ufh voice radio

    http://www.racingradios.com/index.asp?PageAction=VIEWPROD&ProdID=92 Here is a link to the current antenna that I am using. It is a bulkhead mount style. The car is a LMP2 Race Car, all carbon fiber body. http://www.porsche.com/all/motorsport/rsspyder/pcna.asp The telemetry radio antenna is...
  4. mrosentel

    Improving ufh voice radio

    I am using a motorola cdm750 voice radio in a carbon fiber race car. The frequency range is 450 Mhz to 470 Mhz and I am currently using a 3db gain antenna and the power is up to 25 watts on the radio. My problem is that as soon as I lose line of sight the radio is nothing but static pretty...

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