cathrynham wrote:
Simon (HB9DRV) wrote:
----- Original Message ----- From: "Jeff Wandling W7BRS" [email protected]
ps. Again, reply directly -- this sort of question can make enough spam on the DL to last you through Festivus.
A very good starting point is Dr Kelso's work on http://celestrak.com/
And there's plenty (!) of C++ code out there which implements the algorithms, so (worst case) you could figure things from the code.
Bit of a digression, but you know what we need, one of these days, is an open source code library for satellite tracking -- ideally cross-platform for both *nix/Windows. This is something that would get use outside of the amateur community.
What does gpredict use? It seems to work, so it would be a good start. I wish I knew more about how to calculate the predictions...
Gordon