Ham radio

“Ham radio”, also called “amateur radio” (in Danish “amatørradio”), is the practice of granting hobbyists licenses to use specific frequency bands for radio propagation experimentation.

Resources

Clubs

• Experimenterende Danske Radioamatører - Birkerød afdeling 🇩🇰

Propagation maps

• VHF
• HF
• Reception Reports
• HamSpots

Shopping

• BM-Radio.dk
• Brugtgrej 🇩🇰
• WiMo
• Amazon
• Kinaradio.dk 🇩🇰

Online education

Denmark 🇩🇰

• b-certifikat.dk
• Operatorlicens.dk

Software

• [flDigi](https://sourceforge.net/projects/fldigi/](https://sourceforge.net/projects/fldigi/)
• [VARA interface](https://rosmodem.wordpress.com/](https://rosmodem.wordpress.com/)
• [VARAC](https://www.varac-hamradio.com/](https://www.varac-hamradio.com/)
• [WinLink](https://winlink.org/](https://winlink.org/)
• Gqrx SDR
• wb2osz/direwolf - software “soundcard” AX.25 packet modem/TNC and APRS encoder/decoder

Logbooks

• QRZ.com
• QRZCQ
• Logbook of The World

SSTV

• [MMSSTV](https://hamsoft.ca/pages/mmsstv.php](https://hamsoft.ca/pages/mmsstv.php)
• [SSTV for Mac](https://qsl.net/v/ve3elb/KD6CJI-MultiScan3B/](https://qsl.net/v/ve3elb/KD6CJI-MultiScan3B/)
• SSTV for iPhone, App store, “SSTV Slow Scan TV”
• SSTV for Android, Google Play, “ SSTV Encoder”

Recordings

• [SSTV from ISS. 145.800 MHz FM. Mode: PD120](https://ariss-usa.org/ARISS_SSTV/](https://ariss-usa.org/ARISS_SSTV/)
• https://issfanclub.eu/2025/04/09/ariss-iss-sstv-series-26-humans-in-space/
• Signal Identification Guide