I've just noticed that the latest update of SkyDemon on Android (3.8.5.25814) has a menu option in the Navigation Options menu for "Ownship Hex Code" which doesn't appear to be mentioned in the current manual version. This is presumably related to the traffic alerting features in order to prevent you being warned that you might bump into yourself, but it seems a very odd menu location, especially for those of us who regularly fly multiple aircraft. Surely the Ownship Hex Code should be a parameter in the Aircraft profile alongside the aircraft registration?