This is the 16'th test flight of the new U4B tracker. For details see below.
Callsign is VE3KCL, WSPR transmission minute :00 and telemetry in minute :02
This is the 16'th test flight of the new U4B tracker. U4B-16 was assembled by Dave VE3KCL. This YouTube video explains the features of the U4B tracker.
This is the BASIC listing of U4B-15:
The same U4B board is used as in previous flights.