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Total 3 documents matching your query.

1. [CQ-Contest] Optocouplers (score: 1)
Author: Mark - K5AM <k5am@zianet.com>
Date: Sat, 04 Jul 2009 19:05:57 +0000
Dave, A reliable system using optocouplers appeared in: QST, Sept 2004, 28-33. The expanded version, with schematics and details, is available at: http://www.arrl.org/files/qst-binaries/hapirat.zip B
/archives//html/CQ-Contest/2009-07/msg00050.html (8,387 bytes)

2. [VHFcontesting] 6M CW (score: 1)
Author: "Mark, K5AM" <k5am@zianet.com>
Date: Sun, 23 Oct 2022 21:37:35 +0000
2022 June 11-13 .. K5AM .. 131 CW QSOs (SSB only 126, digital none) I hope Jim's remarks do not discourage anyone from tuning 50,080 to 50,100 during the next VHF contest. 73, Mark, K5AM ____________
/archives//html/CQ-Contest/2022-10/msg00076.html (7,615 bytes)

3. [CQ-Contest] Suggestion for the ARRL June VHF contest (score: 1)
Author: "Mark, K5AM" <k5am@zianet.com>
Date: Wed, 26 Oct 2022 23:10:31 +0000
Suggestion for the ARRL June VHF contest Recently introduced digital modes have resulted in a major change in the way contesters have operated in the June VHF contest. A wide spectrum of opinions hav
/archives//html/CQ-Contest/2022-10/msg00101.html (7,787 bytes)

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