Hello Willie, SatSpy 2.0 has this feature. You can get links to the authors web site or Neil's ftp site on the orbsoft.html vsohp page in the IBM-PC section. ---------------------------------------------------------------------------- Jeff Hunt, Charlotte Hall, Md. USA 38.51N, 76.76W Visual Satellite Observer Home Page found at http://www.satellite.eu.org/satintro.html Intro to observing sats@ftp://ftp.satellite.eu.org/pub/sat/info/satintro.zip ---------------------------------------------------------------------------- --- On Wed, 17 Sep 1997 10:39:21 +0200 (GMT+0200) Willie Koorts <wpk@saao.ac.za> wrote: >I often thought it would be nice to be able to produce a graph of the >visibility windows for satellites for a geographical location, but have not >seen any software package that produce such an output.