These are ideas for giving a ham radio demo with Debian packages, either for a talk or operating a table at an event.

Topic

Packages

Hardware requirement

License required

FM radio (music)

gqrx-sdr rtl-sdr

RTL-SDR dongle + small antenna

N

Ham 2m or 70cm band

gqrx-sdr rtl-sdr

RTL-SDR dongle + small antenna

N

Shortwave broadcast (AM)

gqrx-sdr rtl-sdr

RTL-SDR dongle, upconverter, ATU, HF antenna

N

Ham HF/shortwave (SSB)

gqrx-sdr rtl-sdr

RTL-SDR dongle, upconverter, ATU, HF antenna

N

Aircraft beacons (ADS-B)