This is the 19'th test flight of the new U4B tracker. For details see below.
Callsign is VE3OCL, WSPR transmission minute :08 and telemetry in minute :00 and telemetry call 0x3xxx
This is the 19'th test flight of the new U4B tracker. U4B-19 was assembled by Dave VE3KCL. This YouTube video explains the features of the U4B tracker.
This is the BASIC listing of U4B-19:
The same U4B board is used as in previous flights. Different solar panel arrangement with triangular shape and three faces to try to increase the operating hours by catching more sunlight near sunrise and sunset.