John Harrington wrote:
I'm having some fun with an NSA measurement. I get a swing of 8dB
between
30MHz and 45MHz horizontally polarized. At 30 MHz I get too little
attenuation (i.e. I receive too much of the transmitted signal) and at
45MHz
too much attenuation. The rest of the frequency
Ferrites on both tx and rx cables. Also, don't forget the pads at the
antennas as they reduce sw. I had to use both the ferrites and 6 dB pads to
eliminate swings, which were obviously not due to site geometry but cabling
issues. The back edge of the OATS on the transmit side can also affect your
Have you tried ferrites on the tx coax? Also move the tx coax around, I'll bet
it will be worked out with coax placement?
Michael Sundstrom
NOKIA
TCC Dallas / EMC
of: (972) 374-1462
cell: (817) 917-5021
amateur call: KB5UKT
From: ext John Harrington
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