Getting ready to launch a Graw radiosonde.
A Graw radiosonde being readied for launch.
ATDD's DJI S-1000 small UAS (foreground), University of Louisiana Monroe's microwave radiometer (background left) and ATDD's Graw radiosonde and balloon being readied for launch.
Launching a Graw radiosonde...
Up, up and away!
Pretty clouds near sunset.
