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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!
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1,444 Members, 1,420 Topics, Private Archive, Restricted, Last Post:

Heathkit-Radios / Heathkit-Radios

When joining, please identify yourself as an amateur radio operator by including your call sign, (if licensed), in your profile and/or message signature line.
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1,407 Members, 7,009 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.
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1,407 Members, 2,726 Topics, Public Archive, Restricted, Last Post:

FoxTango

radio transceiver.
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1,401 Members, 1,282 Topics, Private Archive, Restricted, Last Post:

xiegu-x6100 / Xiegu X6100 Users

With its compact size and smart form factor X6100 brings you a brand-new experience of amateur radio. X6100 has independent baseband and RF units.
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1,367 Members, 1,212 Topics, Public Archive, Last Post:

radioprogramming / Radio Programming

to: Commercial - Land Mobile Amateur Marine CB (citizens band) This group is in English.
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1,356 Members, 454 Topics, Private Archive, Last Post:

RailScan / RailScan.net

If you are an Amateur Radio operator you can also enter your info in the "RailHam Directory" here https://groups.io/g/RailScan/table?
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1,347 Members, 10,581 Topics, Private 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.
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1,340 Members, 7,571 Topics, Public Archive, Restricted, Last Post:

Ham-Pi / HamPi

Net for amateur radio
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1,288 Members, 785 Topics, Public 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 service
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1,277 Members, 2,130 Topics, Public Archive, Last Post:

Supermon / Supermon - Monitor / Manager

👍 New subscriber applicants: (Required) - You Must provide at least your “First-Name AND Amateur-Radio Callsign” when applying for the Supermon group subscription.
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1,265 Members, 370 Topics, Private Archive, Restricted, Last Post:

picoballoon / Amateur Radio Pico-Ballooning

This group is a meeting place for Amateur Radio Pico-Balloonists to share ideas, discuss techniques and to announce and post flight information.
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1,228 Members, 3,418 Topics, Private Archive, Restricted, Last Post:

rs-ba1 / ICOM RS-BA1 REMOTE SOFTWARE SUITE

A Moderated Group for those with an interest in the ICOM RS-BA1 Advanced Remote Control software, licensed Amateur Radio operating and related subjects.
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1,219 Members, 798 Topics, Private Archive, Restricted, Last Post:

HeathKit-HFAmps / Heathkit-HFAmps

A valid amateur radio license must be given to join the group.
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1,211 Members, 3,799 Topics, Public Archive, Restricted, Last Post:

repeaterbook / Repeaterbook.com

We’re proud to offer the most up-to-date free resource for amateur radio repeater information worldwide.
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1,199 Members, 147 Topics, Public Archive, Last Post:

ic7200 / ICOM IC-7200 HF Transceiver

Open to all amateur radio operators and radio enthusiasts alike.
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1,198 Members, 2,107 Topics, Private Archive, Restricted, Last Post:

qrparci / QRPARCI

For those interested in QRP amateur radio activities including but not limited to members of the QRP AMATEUR RADIO CLUB, INTERNATIONAL.
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1,183 Members, 2,701 Topics, Public Archive, Restricted, Last Post:

nasota / North America Summits On The Air

Please keep conversations related to outdoor amateur radio activity and please post in English.
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1,168 Members, 8,912 Topics, Private 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.
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1,137 Members, 4,726 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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1,106 Members, 814 Topics, Public Archive, Last Post:

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