The Starfleet Amateur Radio Group has a net every Wednesday at 4:00PM Pacific (2300 UTC) on the following (which are all linked together)
US Headquarters
Talkgroups:
TGIF, AMComm, NXDN & P25 - 31701
YSF - 31701 US-Trek-Talk
M17 - M17-SFI A
Echolink - N6SFI-L
Allstar Node: 61172
Amateur Radio TCPIP Phones:
Hams over IP 15065
Amateur Wire 90030
Australia Headquarters
Talkgroups:
DVDU, P25 & NXDN - 1701
YSF - 01701
M17 - M17-432 S
Allstar Node: 21999