Vaisala RS21 radiosonde

Made:
1971 in Helsinki
maker:
Vaisala Oy

Vaisala RS21 radiosonde, serial no 624957-8, for 400 MH3 Meteorological frequency band, in two components, with spare battery in sealed pack, by Vaisala Oy, Helsinki, Etelä-Suomen Lääni, Finland, 1971

Details

Category:
Meteorology
Object Number:
1995-1937
type:
radiosonde
credit:
Meteorological Office