Publicly Listed Groups (by Popularity)
N3FJPSoftware / N3FJP Software
73, Scott N3FJP http://www.n3fjp.com/ Serving the Amateur Radio Community with contesting and general logging software since 1997Created:
8,236 Members,
282 Topics,
Public Archive,
Last Post:
SKCC / Straight Key Century Club
Membership is free to licensed amateur / ham radio operators.Created:
7,051 Members,
39,934 Topics,
Private Archive,
Restricted,
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.Created:
5,720 Members,
10,830 Topics,
Public Archive,
Last Post:
repeater-builder / Repeater Builder
Discussion of amateur or commercial repeaters, duplexers, antennas, feedlines, controllers, linking, etc is encouraged.Created:
5,597 Members,
42,110 Topics,
Public Archive,
Last Post:
EchoLink / EchoLink
This facet of Amateur Radio joins the power of the internet with our radio hobby!Created:
4,991 Members,
9,831 Topics,
Private Archive,
Restricted,
Last Post:
N1MMLoggerPlus / N1MM+
N1MM Logger+ (aka N1MM+) is free contesting software that supports virtually all amateur radio contests.Created:
4,975 Members,
18,281 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!Created:
4,952 Members,
19,393 Topics,
Private Archive,
Restricted,
Last Post:
DXLab / DXLab
DXing is the art and science of making two-way contacts with distant amateur radio stations.Created:
4,735 Members,
46,164 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.Created:
4,316 Members,
2,363 Topics,
Public Archive,
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.Created:
4,061 Members,
18,220 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.Created:
3,925 Members,
18,416 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.Created:
3,765 Members,
7,671 Topics,
Public Archive,
Restricted,
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).Created:
3,761 Members,
59,439 Topics,
Private 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.Created:
3,526 Members,
3,577 Topics,
Public Archive,
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.Created:
3,379 Members,
2,347 Topics,
Private 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.Created:
3,177 Members,
17,309 Topics,
Public Archive,
Last Post:
ManualExchange / Manual Exchange
Group devoted to free exchange of service/user manuals for Instruments and RTX (Amateur/professional).Created:
3,035 Members,
7,136 Topics,
Public Archive,
Last Post:
linuxham / linuxham
To be approved for membership your email address must indicate your amateur radio call sign.Created:
3,035 Members,
10,320 Topics,
Public Archive,
Restricted,
Last Post:
TS-590 / Kenwood TS-590 Discussion Group
This group with about 2500 members provides a forum for discussions about the Kenwood TS-590S and TS-590SG Amateur Radio Transceiver.Created:
2,490 Members,
6,581 Topics,
Public Archive,
Restricted,
Last Post:
gqrp / GQRP Club
GQRP Club (Low Powered Amateur Radio)Created:
2,365 Members,
26,139 Topics,
Private Archive,
Last Post:
radioartisan / Radio Artisan
We support experimenters of all levels and exchange ideas about amateur radio hardware homebrewing and software development, especially involving Arduinos, Raspberry Pis, computers,Created:
2,253 Members,
3,370 Topics,
Public Archive,
Last Post:
glaarg-vec / GLAARG VEC
The Greater Los Angeles Amateur Radio Group VEC is one of the 14 FCC-recognized Volunteer-Exam Coordinators conducting amateur radio exams.Created:
2,118 Members,
7 Topics,
Private Archive,
Restricted,
Last Post:
MMTTY-SB-RTTY / MMTTY Amateur Radio RTTY Software
Since there are numerous sites dedicated to selling radio gear, we will not allow posting equipment for sale. Doing so will get you banned.Created:
1,960 Members,
174 Topics,
Public Archive,
Last Post:
hfpack / HFpack
INFORMATION - HF PORTABLE - MOBILE - EMERGENCY COMMUNICATIONS - HF Pack - AMATEUR RADIO - TRAVEL - PORTABLE - BASE - BACKPACK - QRP - QRO - BIKE - AIR - MARINE - EQUIPMENT - ANTENNASCreated:
1,915 Members,
768 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.Created:
1,871 Members,
914 Topics,
Public Archive,
Restricted,
Last Post:
DRAKE-RADIO
For the sharing of information and help in repairing the Drake Radio Line of Amateur Radios. Please note.Created:
1,760 Members,
13,398 Topics,
Public Archive,
Restricted,
Last Post:
larrys-list / Larry's List FYI
Larry's List is a group of Amateur Radio messages. This is the main group. There is sub-groups for specific topics. This group is for topic not listed as a sub-group.Created:
1,647 Members,
3,843 Topics,
Private Archive,
Restricted,
Last Post:
Winmor / WinLink - WINMOR Protocol, VARA FM/HF, ARDOP, PACTOR and Related Topics for WinLINK Express
** The Original Support Group Since 2009 ** Please state your valid amateur radio call sign when requesting membership.Created:
1,627 Members,
323 Topics,
Public Archive,
Last Post:
Ham-Antennas / Ham-Antennas
Discussion of amateur radio antenna systems, feedlines, matching networks, and related topics. Anything and everything, tell us or ask questions.Created:
1,615 Members,
1,057 Topics,
Public Archive,
Last Post:
direwolf / Dire Wolf Software TNC
In the early days of Amateur Packet Radio, it was necessary to use an expensive “Terminal Node Controller” (TNC) with specialized hardware. Those days are gone.Created:
1,598 Members,
1,394 Topics,
Public Archive,
Last Post:
ardop
The groups.io home of the Amateur Radio Digital Open Protocol.Created:
1,592 Members,
4 Topics,
Public Archive,
Restricted,
Last Post:
GenesisRadio / Genesis Radio
Please limit your messages and responses to topics related to amateur radio and Genesis radios, SDR and associated topics.Created:
1,575 Members,
7,532 Topics,
Public Archive,
Restricted,
Last Post:
SHARI / SHARI
(SHARI is designed as a kit for construction and use in the amateur radio service by licensed amateur radio operators who can assure that their assembled SHARI kit meets FCC mandatedCreated:
1,553 Members,
544 Topics,
Public Archive,
Last Post:
FlexRadioSmartSDR / FlexRadioSmartSDR
TAGS: Ham radio Amateur radio Flex radio SDR radio UPDATE: The Flex Power Genius Amp and Tuner Genius are also appropriate topics for discussion here.Created:
1,545 Members,
2,475 Topics,
Public Archive,
Restricted,
Last Post:
RSGBTechnical / RSGBTech
Welcome to RSGBTech, an independent group open to ALL radio amateurs to discuss amateur radio related technical matters, be it a technical query or area of interest.Created:
1,494 Members,
8,420 Topics,
Private Archive,
Restricted,
Last Post:
RailScan / RailScan.net
If you are an Amateur Radio operator you can also enter your info in the "RailHam Directory".Created:
1,493 Members,
10,269 Topics,
Private Archive,
Restricted,
Last Post:
hflink / HFLINK
Global ALE High Frequency Network HFN - Amateur Radio - Ham Radio - Emergency Disaster Relief Communications - HF Interoperability - ALE Information - Software - Selcall - Digital HFCreated:
1,453 Members,
655 Topics,
Public Archive,
Last Post:
steppir / SteppIR Antennas
This is THE place to ask questions and get information from owners and users of these unique, tunable Amateur Radio antennas.Created:
1,436 Members,
2,382 Topics,
Private Archive,
Restricted,
Last Post:
hfprojects
. *** Although HF PROJECTS Radio Amateur Kits for High Frequency including the HF Packer Amplifier, miniHFPA and miniHFPA2.are not readily available, I can provide limited serviceCreated:
1,386 Members,
2,095 Topics,
Public Archive,
Last Post:
Elecraft-K4 / Elecraft K4 Direct Sampling Transceiver and then some!
RADIO CALL WHEN APPLYING FOR MEMBERSHIP.Created:
1,380 Members,
3,573 Topics,
Private Archive,
Restricted,
Last Post:
Moon-Net / Moon-Net
Moon-Net is an e-mail reflector intended for discussion and announcements concerning amateur radio moonbounce (EME) communications. Membership is open to everyone.Created:
1,371 Members,
22,198 Topics,
Public Archive,
Last Post:
Heathkit-Radios / Heathkit-Radios
PLEASE LET US KNOW IF YOU ARE AN AMATEUR RADIO OPERATOR BY INCLUDING YOUR CALL SIGN SOMEWHERE IN YOUR PROFILE, DISPLAY NAME, ETC. . .Created:
1,285 Members,
5,463 Topics,
Public Archive,
Restricted,
Last Post:
GridTrackerApp / GridTracker - An Amateur Radio Community
GridTracker by the Amateur Radio Community GridTracker : An Amateur Radio Community We are growing so fast and so many new people are joining us, from the Facebook group, theCreated:
1,281 Members,
1,499 Topics,
Public Archive,
Last Post:
ocfd / Off-Center Fed Dipole antenna group
Make sure that your DISPLAY NAME for this group contains your AMATEUR RADIO CALL SIGN! Otherwise, membership will be DECLINED!Created:
1,277 Members,
1,363 Topics,
Private Archive,
Restricted,
Last Post:
HeathKit-HFAmps / Heathkit-HFAmps
A valid amateur radio license must be given to join the group.Created:
1,223 Members,
3,570 Topics,
Public Archive,
Restricted,
Last Post:
Ham-Pi / HamPi
Net for amateur radioCreated:
1,216 Members,
632 Topics,
Public Archive,
Restricted,
Last Post:
Kenwood-Hybrids / Kenwood Hybrids (TS-520/530/820/830)
Including your Amateur Radio Callsign if you are an Amateur Radio Operator will expedite this process. If you do not reply to this email, your membership will not be approved.Created:
1,178 Members,
1,481 Topics,
Public Archive,
Restricted,
Last Post:
MidlandLMR / MidlandLMR
The primary focus of the MidlandLMR list is to provide a forum for discussion of the use of Midland land mobile radios in the Amateur Radio Service.Created:
1,124 Members,
4,587 Topics,
Public Archive,
Restricted,
Last Post:
APRS / APRS - Automatic Packet Reporting System
The APRS network has grown to most countries with strong Amateur Radio populations.Created:
1,121 Members,
287 Topics,
Public Archive,
Last Post:
MDSRadio / Modulation - Demodulation - Software Radio and the "RF-Seismograph" - measuring Space Weather and Earthquakes with your HF station!
All the information in this group is free to use as long as it is used for non-profit amateur radio purposes only.Created:
1,109 Members,
2,451 Topics,
Public Archive,
Restricted,
Last Post: