Stefan HB9ZEM has released a video showing his prototype Amateur Radio satellite Azimuth/Elevation tracker.
The YouTube description reads:
In order to learn more about ham radio satellites, TCP/IP networking, stepper motor control, open-source Linux, and socket programming, I decided to build a simple prototype of a satellite Az/El tracker.
Watch Simple Az/El Ham Radio Satellite Tracker
[youtube http://www.youtube.com/watch?v=LS42j-4PfBg&w=425&h=349]
PDF of RadCom article Getting Started on Amateur Radio Satellites
http://www.uk.amsat.org/archives/getting-started-on-amateur-radio-satellites
Online Satellite Pass Predictions
http://www.amsat.org/amsat-new/tools/predict/
The AMSAT-UK International Colloquium takes place July 30-31. The event is open to all and further information can be found at http://www.uk.amsat.org/colloquium-2011/