Welcome to the amateur radio site of PA3BQS.
Above there is a 3D plot of a Feld Hell tranmission.
More about te Feld Hell mode you can find on
Look also at some feldhell QSO pictures.
the WinHell program and let me know about your experiences.
Download here the 'Win Hell' Version 188.8.131.52'
application updated 09.11.2002.