The VarAC group is using a center-freq of 14.1065 Mhz and the Net105 Packet group is using center-freq 14.1035 Mhz, so there's no interference from VarAC itself.? It's probably interference from Winlink stations using VARA, Pactor, and who knows what else, but that's the new normal.? 14.105 is smack in the middle of the FCC-authorized ACDS section of 20-meters. ? It wasn't a problem back in the 80's, but times have changed.? Net105 (and other keyboard-to-keyboard groups like VarAC) might want to consider changing frequency to something less busy and off ACDS freqs; it's actually in a very bad section as far as receiving interference from other stations now.? ACDS includes wide-band modes, but non-ACDS is limited to 500hz and requires one of the connected stations to be not be automatically controlled.? The 500hz limit regarding ACDS may have changed with the recent FCC ruling on bandwidth, but I'm not sure.
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Jeff KP3FT