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Re: 17:11 UTC Pass - Weak Audio?



No there isn't a Mic gain adjustment on the ISS-HAM equipment.
The gain is fixed to provide a deviation that will fit within the 
pass band of most radios at the maximum doppler at 2m.  2.2khz for 
the low tone and 3.3 for the high tone.
Sometimes the crew forgets to put the mic close enough so that gives 
a low modulation. The headset is a noise cancelling type so it 
requires the mic be very close.
-- 
W5DID
Louis W. McFadin
ISS-HAM
Hardware Manager
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