This is the 18'th test flight of the new U4B tracker. For details see below.
Callsign is VE3OCL, WSPR transmission minute :06 and telemetry in minute :08 and telemetry call 0x3xxx
This is the 18'th test flight of the new U4B tracker. U4B-18 was assembled by Dave VE3KCL. This YouTube video explains the features of the U4B tracker.
This is the BASIC listing of U4B-18:
The same U4B board is used as in previous flights.