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jack.byrne(at)bigpond.com
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 Posted: Thu Dec 27, 2007 12:48 am Post subject: Noisy Microphone |
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Listers.
I am having trouble getting an audible transmission.
I have wonderful reception.
SL30 and a GNC300XL.
Have tried a couple of headsets, both with muffs on the.
Clarity Aloft Halo and a Marv Golden ANR.
My transmissions are fine a low airspeed and low RPM.
However the cockpit noise at higher airspeeds and RPM seems to be getting
picked up by the microphones. The intercom transmissions (GMA340) are still
fine at high speed and RPM.
It is not electrical interference, at least I don't think it is. I am sure
it is back ground noise. Cozy MIV at anything above 120kts.
Two questions.
How do I get my transmissions to be readable, at the moment at high speed
they are not. I have reports from other AC and I can hear the background
noise in the side tone.
And is it possible that the intercom is clear but the radio transmission is
not or am I imagining this.
I can try and reduce a few air leaks in the canopy but I don't think I can
get it that much quieter.
Chris Byrne
SYDNEY
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flyboy.bob(at)gmail.com
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| Posted: Thu Dec 27, 2007 5:27 am Post subject: Noisy Microphone |
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If the intercom audio is clear then the radio audio should be OK . . . what are you using for an antenna?
Regards,
Bob in SE Iowa
On Dec 27, 2007 2:35 AM, Chris Byrne <jack.byrne(at)bigpond.com (jack.byrne(at)bigpond.com)> wrote:
[quote]--> AeroElectric-List message posted by: "Chris Byrne" < jack.byrne(at)bigpond.com (jack.byrne(at)bigpond.com)>
Listers.
I am having trouble getting an audible transmission.
I have wonderful reception.
SL30 and a GNC300XL.
Have tried a couple of headsets, both with muffs on the.
Clarity Aloft Halo and a Marv Golden ANR.
My transmissions are fine a low airspeed and low RPM.
However the cockpit noise at higher airspeeds and RPM seems to be getting
picked up by the microphones. The intercom transmissions (GMA340) are still
fine at high speed and RPM.
It is not electrical interference, at least I don't think it is. I am sure
it is back ground noise. Cozy MIV at anything above 120kts.
Two questions.
How do I get my transmissions to be readable, at the moment at high speed
they are not. I have reports from other AC and I can hear the background
noise in the side tone.
And is it possible that the intercom is clear but the radio transmission is
not or am I imagining this.
[b]
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