Welcome to my guestbook, where you can see what previous visitors think about this site and my projects and articles. Many thanks to everyone who has left messages - your feedback really is appreciated!

Guestbook entries from November 2018 (1)

    • Peter Geisler
    • Germany - Sachsen-Anhalt
    • 5 November, 2018

    Very usefull hints for buying the right reference modul for my hobby - at the moment it is a rf power meter which needs a stable reference point for reproducing reliable results at all.
    Thanks for publishing your ideas and work to find that out.