Uploaded July 2022 | Updated September 2026, 5 days ago

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Tropospheric DAB-radio propagation reveived on SW-coast of Finland on 21st of July 2022, over the Baltic sea. It was DAB 5B channel from Gdansk, Poland. This tropo tunnel lasted for several hours and was a very rare occasion, 1st time for me. The distance was 705 km.
ibb.co/yyQLgds (mux visible on spectrum)
ibb.co/9N3GM3Z (propagation at time)

See also Digital TV DX 2022 - Long distance DVB-T reception of 705 km during tropo conditions, Poland-Finland youtu.be/yRbCAdvE7Xc