[MRCboicgy]

Originally Posted by Bigtime

So looking at the YYC area on Flightradar24 this morning I spotted this aircraft around Brooks:

http://www.flightradar24.com/HBAL189/34923b1

Up around 63,000' and only indicating 5-7 knots of speed.

I did some googling and found this:

http://forum.flightradar24.com/threa...-United-States

Google "Project Loon" balloons? The ADS-B number (700019) and callsign HBAL189 match with one of the test balloons. So it appears to check out.

So Google Loon is a pilot program for balloon based internet services.

http://www.google.com/loon/

Pretty cool!

Looks like 700020 is tailing it but with no callsign
http://www.flightradar24.com/349d61f