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Communication Loss

 
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dreel(at)cox.net
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PostPosted: Sat Apr 01, 2006 3:36 am    Post subject: Communication Loss Reply with quote

On my second test flight yesterday, The control tower's transmission during my initial climb was so weak I could just barely tell someone had transmitted. I was climbing with the tower at my back and at a pretty steep angle due to other problems. Except during this climb phase, I heard the tower loud and clear. I'm theorizing that my comm antenna, which is mounted beneath the left wing/fuselage joint so that about a half foot of the bent antenna protrudes behind the left flap on my RV8A, was blocked by the wing/fuselage from receiving the tower's signal. So, I have two questions.

First, have others had this sort of problem? If so, what was the remedy?

Second, how do you feel about limiting the pitch and roll angles during departure/arrival to mitigate such a problem?

Dave Reel - RV8A


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av8er2(at)mcleodusa.net
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PostPosted: Sat Apr 01, 2006 8:53 am    Post subject: Communication Loss Reply with quote

Dave, My antenna is mounted just off center below the pilot seat, and I have
had no trouble in turns or climb out or even on the ground behind hangers. I
would suspect it is some other problem? My antenna is a bent whip. Mark Rose
N137MR 44Hrs. RV8A Hope this will help.
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skytop(at)megsinet.net
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PostPosted: Sat Apr 01, 2006 1:38 pm    Post subject: Communication Loss Reply with quote

Dave,
The same thing happened to me on about my second flight too. Turned out
to be the coax came loose at the antenna. I hadn't twisted it enough to
"lock". It has worked flawlessly since.

Tom Barnes -6 200+ hrs.
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