PI5RTA Helmond


Weak Signal Propagation Reporting Network (WSPR)




WSPR transmitter Raspberry Pi with a HF amplifier and filter


Wisper Database : With our magnetic loop antenna , in the shack , PI5FTS heard by: see list



Recording WSPR stations with our WebSDR on 7MHz and WSJTX program.



Explanation: WSPR WSPR net
Usable software: WSJTX Wisper program HDSDR SDR program Linux Wheezy Raspberry Pi




Updated jan 2026