Satellite

Simple in theory, in practice a lot of code! Display the track and footprint for one main and up to ten other satellite definitions. The main satellite's azimuth and elevation are optionally passed to a rotator program via the DDE server.

Celestrak

Data is downloaded from Celestrak in OMM XML format. The file used is one of:

1. Active - all active satellites, size approximately 7 MB,
2. Amateur, or
3. Weather.

Centre

From the Home panel in the ribbon bar optionally select Satellite as the centre of the display.