Posted 5/15/2019 05:56 (#7497984 - in reply to #7497974) Subject: RE: Flight Radar yellow balloons
n.c.iowa
I’d bet a lot you are right. What a lot of people don’t know is that back in the 50’s-60’s raven got it’s start as a weather ballon launching/building company, they then moved into making the actual instrumentation.
A business that they continue to operate to today.