MMDVM Open-Source Modem for Raspberry Pi

MMDVM Open-Source Multi-Mode Digital Voice Modem for Raspberry Pi

How to program a codeplug for a TYT MD380 DMR Radio

An instructional video on how to program a code plug for the TYT MD-380 handheld DMR Radio

American Radio Relay League | Ham Radio Association and Resources

The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.
  • More ARRL Contest Award Certificates Now Available for Download

    The ARRL Contest Branch has announced that more contest award certificates are now available for download from the ARRL website in PDF and JPEG formats. Just enter the call sign used.

    ARRL Contest Branch Manager Bart Jahnke, W9JJ, said downloadable certificates now are available for these additional events: the 2017 ARRL 10 GHz and Up Contest, the 2017 November Sweepstakes, the 2017 ARRL 10 Mete...

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