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LF: IQ2MI 630m beacon at 476.180 kHz QRSS30

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Subject: LF: IQ2MI 630m beacon at 476.180 kHz QRSS30
From: Claudio Pozzi <[email protected]>
Date: Wed, 24 Dec 2014 09:49:05 +0100
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New beacon configuration.


Exciter, 24 hour powered:


  • Exciter: Adret-Electronique mod. CS201 SB
  • Frequency: 476.180 kHz
  • Resolution: 0.1 Hz
  • Frequency stability: 2x10^-8/24h, after 8 h (about +- 0.01Hz)
  • External frequency control via BCD input

Power amplifier: about 20W out (24V 1A input)

Antenna current: about 1A

Keyer: Arduino controller, CW-QRSS-DFCW

Message: "IQ2MI/B JN45NL" (CW 12WPM followed by QRSS30)

The power amplifier is turned on at 17UTC and turned off at 09UTC

Work in progress for DFCW emission and antenna improvement

e-mail for reports: [email protected] - QSL at IQ2MI


73 and Merry Christmas

Claudio IK2PII




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