Excellent....thank you very much for that and apologies for all the confusion! Much appreciated!

Just an update: I just could not get my xgps150 to provide data to Skydemon even though it was showing on two different position data apps. Eventually gave up and was contemplation buying a Pilotaware device instead. However, next flight and everything worked fine. The only thing I had not done whilst trying to sort this out was reboot the iPad mini. Did that before next flight and, hey presto, everything working again. As the gps was providing data to the iPad but not to skydemon, I suspect that a glitch had got in somewhen that cleared itself by a reboot. Wish I had thought of that during the original flight.

Nkt