s56a at yahoo.com
Sun Jun 29 17:53:46 EDT 2008
I finally finished XO for YU1LM DRA-2 SDR RX. 7th harmonic of 16 MHz oscillator at 112 MHz is used for 28 MHz CW, digital division by 2/4/8 gives clocks for lower bands. 21 MHz is sampled with 7 MHz clock at 28 MHz. 160 m has separate XO at standard 7.372 MHz.
Brief Skimmer afternoon test on 40 m brought above unusual callsign which would be difficult to detect by biased humans. Few more Dl stations were decoded and test passed. I operated UR RTTY, EA SSB, Marconi CW and even ARRL FD this weeknd but without Skimmer support. Further testing planed until IARU contest.
73 de Mario, S56A, N1YU, MSc EE retired at 63
P.S. DL just lost to EA in EU football championship. NOTGER won :-)
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