Prof. Ulrich Rohde KA2WEU was guest at the hotel Flüela in
Davos. The owner of the hotel Andreas Gredig established contact
to the local radio amateur Stephan Perren HB9QS.
plan emerged to overcome the isolation on VHF and UHF by installing
a repeater on top of the mountain.
thereafter an ICOM repeater flew with Ulrich from New York to Paris
(probably the first ICOM repeater that flew at Mach 2).
BAKOM ("Swiss FCC") issued the call sign HB9HAI for the
station on top of the Mountain Weissfluh near Davos.
relay group Davos - Parsenn was founded with HB9HAR Thomas Siegler,
HB9XX Adolf Geisseler and HB9AEP Hugo Wetter