ISS repeater Pass Monday Feb 5, 2008
It was a good repeater night. My QTH had an 82 degree pass. It was hard not to have a good signal.
Charlie N3CRT: Suggested we try Narrow FM. My Yeasu FT-736 supports 2.5 and 5k deviation FM. So I tried it and I do agree the Narrow 2.5k FM seems to work Better. I had many solid contacts last night. How did my audio sound?
Luc WE2DWE: Your Audio was Great last night. Nice and clear, no distortion and Full Quieting. I am jealous, hi hi.
I only heard a few people without headphones last night and still a few that were over modulating. One station got a good lock and I could hear his children playing in the background (Mic gain too high).
I updated my short tips list to include Narrow FM.
Tips:
Use the minimal power.
Compensate for Doppler on 437.800 (Try for an error of less than 2khz)
Set your FM deviation to Low (2.5khz verses 5 kHz)
Speak Softly and slow (Loud Audio will pop you out of the receiver)
Full Duplex users must wear headphones
Noise Floor: Your signal will not decode until you are at least 6-12 db above the noise floor at the Space Station.
QRP stations may want to plan for OFF hours when most people local to you are Sleeping or at Work.
wf1f
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