Originally Posted by RetiredF4
Only during the short time of those few handshakes about 1 hour apart from each other the BFO data have to be fullfilled, not for the whole time of the flight. The flight could do circles in between, as long as it reaches the corresponding BTO arc at the next handshake and fullfills the respective BFO data.
True, but the time of the handshakes was reset by external events a couple of times. Expecting any spoofing attempt (manual or pre-programmed) to take account of that pushes the limits of plausibility.