[UK-CONTEST] Icom Pro III + N1MM
Chris Tran GM3WOJ
zl1ct1 at gm7v.com
Tue Jan 5 05:10:32 PST 2010
Hi Roger et al
HNY - Thanks for the QSO in CC CW - I worked 128 stations but if this
contest was only 15 minutes long I would do proportionally better - 40 Qs in
first 15 mins.
>From my experience, I would check that the home-made interface is capable of
correctly keying the radio - some radios need a 'hard' earth on the CW
keying line and/or PTT line to switch properly onto transmit - they only
partially go to transmit with the +0.6V DC threshold of a transistor switch.
Also, check that the NPN output transistor in the interface is biased fully
on.
73
Chris GM3WOJ
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