Congratulations on the success in hunting radiosonde!
We share the same hobby.
I hunt with friends on the radiosonde for several years with great success
Those that escape us by Karkonosze are for you and inverse

Welcome to my newly created channel
https://www.youtube.com/channel/UCoynyG ... krQm-S1v3Q
http://qrz.com/db/sq6oen
Best regards
Tomasz
SQ6OEN