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 BBS: Over The Coffee BBS
Date: 10-27-96 (13:28)             Number: 46820
From: BRUCE CLARK                  Refer#: 46400
  To: TROY H. CHEEK                 Recvd: NO
Subj: ANTENNA                        Conf: (53) Scanradio
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BC>Sorry!  I was trying to get across that to get an acurate
BC>reading, the meter has to go where the radio is usually
BC>attached. One reason a meter inline is not truly accurate,
BC>there's another piece of coax between it and the radio,
BC>which slightly affects what the radio "gets".
    Bruce: If the coax were perfect (constant Z and no loss) then the
    VSWR is the same at all places. IF there is a VSW, then the exact
    impedance seen by the xmitter will vary with the lenght of coax to
    the load, which is why cutting to lenght may help in some cases. If
    you want the true match to the antenna, it is recommenced the bridge
    be placed right at the antenna, which may be difficult to do, and
    your body can affect the tuning. I think most of us place the bridge
    at the xmitter, which is ok if the VSWR is very low. I'm sure you
    know this, but maybe some do not. K8ERV  Tom, in SW Colorado
    tom_lamb@infozone.org
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