On May 25, 3:52*am, Martin Gregorie
wrote:
Can anybody point me at a definition of the SUA airspace file format,
please?
LK8000 uses it,

I think you'll find that LK8000 requires Open Air format and will not
accept TNP. The Config menu, Site 1, will only display SUA files with
a TXT extension. So the requirement is OpenAir format with TXT
extension.

The documentation is somewhat misleading.

Andy (GY)