David Brus on Twitter
“This was Rudolph, FMI tethered balloon. He gave us very hard time last week, flew away, reached 8 km altitude, burst, landed in Lapland forest where he was found by a reindeer herder. The payload is untouched, the dataset looks amazing! @IlmaTiede @INAR_fin @ACTRISRI #pace2022🧵”