N3FJPSoftware / N3FJP Software
73, Scott N3FJP https://www.n3fjp.com/ Serving the Amateur Radio Community with contesting and general logging software since 1997
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8,449 Members, 301 Topics, Public Archive, Last Post:
SKCC / Straight Key Century Club
Membership is free to licensed amateur / ham radio operators.
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7,649 Members, 42,046 Topics, Private Archive, Restricted, Last Post:
repeater-builder / Repeater Builder
Discussion of amateur or commercial repeaters, duplexers, antennas, feedlines, controllers, linking, etc is encouraged.
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5,870 Members, 44,342 Topics, Public Archive, Last Post:
FT-857 / YAESU FT-857 Discussion Group
Please give your call sign if you are an amateur radio operator. Note: Many individuals join this list to find out how to modify their unit for extended transmit.
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5,454 Members, 10,977 Topics, Public Archive, Last Post:
N1MMLoggerPlus / N1MM+
N1MM Logger+ (aka N1MM+) is free contesting software that supports virtually all amateur radio contests.
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5,263 Members, 21,184 Topics, Public Archive, Last Post:
Amateur-repairs / Amateur Radio Repairs
Emphasis is on Amateur Radio equipment repair, modification and operation. Please, SHARE WITH US YOUR REPAIRS!. It is a great way to help others to fix their rigs. Thanks!
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4,938 Members, 20,117 Topics, Private Archive, Restricted, Last Post:
EchoLink / EchoLink
This facet of Amateur Radio joins the power of the internet with our radio hobby!
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4,854 Members, 9,984 Topics, Private Archive, Restricted, Last Post:
DXLab / DXLab
DXing is the art and science of making two-way contacts with distant amateur radio stations.
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4,700 Members, 48,494 Topics, Public Archive, Restricted, Last Post:
RaspberryPi-4-HamRadio / Raspberry-Pi_4_Ham-Radio
This is a place for Amateur Radio Ops to discuss the Raspberry Pi and how it can be applied to Ham Radio. This is a moderated Group. Please keep posts civil and on topic.
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4,230 Members, 2,515 Topics, Public Archive, Last Post:
UDXF / Utility DXers Forum
Actually everything in the range of 0-30 MHz with the exception of Broacasting Stations, Pirate Stations, and Amateur Radio (with the exception of utility related activities).
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4,087 Members, 63,115 Topics, Private Archive, Restricted, Last Post:
XieguG90 / Xiegu G90 Transceiver
This is a group to share information and promote understanding of the Amateur Radio transceiver Xiegu G90 and how to use it.
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4,060 Members, 2,699 Topics, Private Archive, Restricted, Last Post:
ic7000
**Please note** A valid amateur radio license is a prerequisite for membership. Applicants are requested to state their name and callsign; this will speed up the approval process.
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3,858 Members, 18,363 Topics, Public Archive, Last Post:
UI-View / UI-View32
If you must post an off-topic message on other amateur radio related matters, please mark the posting OT and request direct replies.
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3,731 Members, 18,466 Topics, Public Archive, Last Post:
APRSISCE / APRSISCE for Windows Mobile and Win32
APRSISCE/32 is intended for licensed amateur radio operators only and that privilege comes with the responsibility of identification by CALLSIGN. It's really not that hard.
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3,591 Members, 7,890 Topics, Public Archive, Restricted, Last Post:
Yaesu-FT-60 / YAESU FT-60
In the USA, it is against FCC regulations to use a modified amateur radio transmitter on commercial frequencies, even if you are licensed to use those frequencies.
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3,409 Members, 3,631 Topics, Public Archive, Last Post:
linuxham / linuxham
To be approved for membership your email address must indicate your amateur radio call sign.
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3,114 Members, 11,062 Topics, Public Archive, Restricted, Last Post:
irlp / IRLP Discussion Group
This is the discussion group for the Internet Radio Linking Project - A Project to link audio from amateur radio transmitters and receivers around the earth using the internet.
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3,035 Members, 17,515 Topics, Public Archive, Last Post:
ManualExchange / Manual Exchange
Group devoted to free exchange of service/user manuals for Instruments and RTX (Amateur/professional).
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2,883 Members, 7,232 Topics, Public Archive, Last Post:
VARA-MODEM / VARA MODEM (HF and FM
This Group is owned and moderated by Jerry, N9LYA Please state your valid amateur radio call sign in the comments section when joining this Group.
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2,574 Members, 1,405 Topics, Public Archive, Restricted, Last Post:
gqrp / GQRP Club
GQRP Club (Low Powered Amateur Radio)
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2,437 Members, 27,293 Topics, Private Archive, Last Post: