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Close Proximity Air2Air Comm problem (HE

 
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aadamson(at)highrf.com
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PostPosted: Tue Jan 03, 2006 1:03 pm    Post subject: Close Proximity Air2Air Comm problem (HE Reply with quote


If you are *that* close, just get a "dummy load" from any of the ham stores
(www.hamradio.com). Use it with the switch as Dave suggests. If you go to
a "hamfest" around your area, you can probably pick one up with a BNC
connector on it and some small fins to heat sink the RF wattage.
Put it somewhere, even on a simply bulkhead so that it can dissipate the
heat, set the switch and you are good to go.
Just make sure you don't set the switch when you are transmitting, and also
make sure it's on a real antenna when you are talking to ATC.
A dummy load should be more than enough for close proximity work. Probably
a radius of 500' or so. May even be better as you'll be "line of site" to
most everyone.
These are AM Transmitters, and if the filtering in them isn't very good,
either the RX or the TX can cause this problem.
BTW, A dummy load is better than a light bulb, the filament wont burn out
and at least will protect the finals in your radio.
Alan


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