Hi Guys, feel sure I read somewhere that if the S meter is not showing any signal strength indication then the agc is not operating. Its normally the agc volts that drive the meter. RF gain can be reduced to meet the above condition. 73 john g7hia ---- Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA. To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org