Check that FLARMs/tracking devices are switched ON
Check your FLARM/tracking device range on the live range
Does your OGN receiver have correct time configured (ntp)?
TKOF and LDG times are taken from the timestamp of your
OGN receiver. It may reject data if it deems
the clock is too far off.
Does your OGN receiver have the correct position configured?
This is paramount for the range analyser.
Check that aircraft are consistently visible on the KTrax
tracking site on the ground and in the circuit.
Check the 'Relay' and 'Updated' fields (click on the
marker). While the glider is on the ground, 'Relay' should be
your OGN station (unless your field has good coverage by
other stations). 'Updated' time shouldn't go over
ca. 20 seconds on ground, less when in the air.
Does your OGN antenna have any 'blind spots' on the
field/circuit? If necessary, make some test flights to
Runway direction is based on true course, may be off by 10-20 degrees
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