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Fistscw / FISTS - MORSE PRESERVATION SOCIETY

Please feel free to start various topics of discussion,preferably morse or amateur radio related. Any photos of yourself or shack can also be uploaded to the photos section.
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1,022 Members, 9,267 Topics, Private Archive, Restricted, 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.
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1,008 Members, 2,826 Topics, Public Archive, Restricted, Last Post:

ICOM / Icom

All things Icom (general discussion about Icom products for Amateur Radio) --Please keep it friendly here.
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1,001 Members, 666 Topics, Public Archive, Last Post:

MSHV / MSHV Amateur Radio Software

Radio amateur program for sending and receiving digital modes like FSK315, FSK441, FT4, FT8, ISCAT, JTMS, JT6M, JT65, MSK144, MSKMS, PI4 and Q65 by Christo, LZ2HV.
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983 Members, 924 Topics, Public Archive, Restricted, Last Post:

Work-Sat / Work the Amateur Satellites - With Minimal Equipment!

Support forum for K6LCS' Work-Sat amateur radio satellites site!
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956 Members, 2,695 Topics, Public Archive, Last Post:

Yaesu-FT-991 / Yaesu FT-991(A) Users Group (Official)

Radio invite https://discord.gg/YssX8fe6dC Amateur Radio operator call-sign search by County :: (created) Amateur Call-search by County :: USA + Canada + Australia (created
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914 Members, 546 Topics, Private Archive, Restricted, Last Post:

RATPAC / RATPAC

Radio Amateur Training Planning and Activities Committee
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908 Members, 905 Topics, Public Archive, Last Post:

Supporting the active and experimental use of these radios by amateur radio operators, modifications, alternate power supply, solar power, human powered generators, antennas, etc Group
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887 Members, 4,755 Topics, Public Archive, Restricted, Last Post:

PiStar / Pi-Star Users Support Group

- https://discord.gg/pBk3da2Mxz https://discord.com/channels/883065604393803876/887815207739592784 NEXTION screens group. https://groups.io/g/NEXTION Discord- LIVE CHAT - Amateur
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886 Members, 395 Topics, Private Archive, Restricted, Last Post:

radios4sale / radios4sale

This list is NOT for amateur equipment, shortwave, or scanners, but may be used by amateurs selling or buying commercial LMR equipment.
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863 Members, 21,797 Topics, Private Archive, Restricted, Last Post:

wsjtgroup / The WSJT GROUP

Discussion on amateur radio weak signal communication software, such as WSJT-X AND all other forks or add-ons to the program, as well as general questions on setting up the software
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857 Members, 829 Topics, Public Archive, Last Post:

YaesuSystemFusion / (Largest) Yaesu System Fusion (Official) User Group

Radio invite https://discord.gg/YssX8fe6dC Yaesu website www.bit.ly/yaesu2 www.bit.ly/yaesu4 https://www.yaesu.com/ Amateur Radio operator call-sign search by County :: (created)
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845 Members, 464 Topics, Private Archive, Restricted, Last Post:

Test-Equipment-Design-Construction / Test Equipment Design and Construction

Measuring devices for hobby / amateur radio use are encouraged, as are those that exceed the capabilities of standard laboratories such as NIST, NPL, METAS etc.
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843 Members, 152 Topics, Public Archive, Last Post:

DXLog / DXLog support and community forum

English language group for support and discussion of DXLog.net amateur radio contest logging software.
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838 Members, 3,359 Topics, Public Archive, Last Post:

MMSSTV / SSTV

Anyone offering help does so in the true spirit of amateur radio.
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813 Members, 298 Topics, Private Archive, Restricted, Last Post:

Butternut / Butternut Antennas

This is THE support group for Butternut Amateur Radio Antennas. You MUST provide your first name and Call Sign as your Display Name for membership!
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804 Members, 2,557 Topics, Public Archive, Restricted, Last Post:

ON6MU / ON6MU's Software/Hardware discussion group

Satellite Packet Communications: Many of the amateur radio satellites in orbit contain computer systems that provide packet capability.
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792 Members, 34 Topics, Public Archive, Last Post:

Olivia / Olivia Digital Mode Radioteletype on HF

The first on-the-air tests were performed by two radio amateurs, Fred OH/DK4ZC and Les VK2DSG, on the Europe-Australia propagation path in the 20-meter shortwave radio amateur band.
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779 Members, 416 Topics, Public Archive, Restricted, Last Post:

antenna-research / Antenna Research

The group was set up by a former professional antenna designer who wanted somewhere to discuss interesting research topics, without being bogged down with basic amateur radio antenna
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762 Members, 174 Topics, Public Archive, Last Post:

FTdx-3000

Always identify yourself or your amateur call sign when you sign in.
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733 Members, 837 Topics, Public Archive, Restricted, Last Post:

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