www.satscape.co.uk/
There are no 1550 or any other "rip off" telephone numbers for this excellent bit of software.
Update via internet (similar to updating virus dat-files) Iridium flare Updates etc, excellent 2D/3D views
Very good prediction charts for ur choice of satellites, visible&otherwise
East to setup/use
So no more expensive telephone call charges
Tell all ur astronomy friends
By the way Heavens-above is excellent also but u have to be online
Charles
  