Interesting article on MW1CFN amateur radio blog on the availability of magnetometer data for radio propagation studies. I was looking for this type of data as signals from North Korea and Japan to my location in the UK take the high latitudes somewhere over Finland. Real-World Amateur Radio: WSPR - Choose your magnetometers with care. : I'm currently running a longer-term WSPR campaign, with a focus on the auroral zone. I'e been scratching my head in trying to rela...
Shortwave listening and technology musings mainly using a selection of portable radios from the trailing edge of technology. You may find the odd SDR starts to creep in too.