Write in the comments what you know about this technique, or would like to know!

These videos shows a chirpsounder on the 80m band.

I like to answer the questions and make a video if necessary.



Links zum Video:
https://www.sigidwiki.com/wiki/Ionosonde
https://de.wikipedia.org/wiki/Ionosonde
http://www.prc68.com/I/RCS-5A.shtml


Der Link zu DL5CH:
https://www.qrz.com/db/dl5ch
https://www.instagram.com/christoph__...


Hier der Link von Chaosfabi09:
  / chaosfabi09  
   / @chaosfabi09