Satpack: Arduino Satellite tracking and doppler tuning
Bruce, VE9QRP has a nice video demoing his qrpTracker code (open source) running on an Atmel AVR microcontroller and tracking the Doppler of a cubesat as well as AO-51. Nifty.
Addendum: Back in January of 2008, I acquired my (then) new FT-817, and one of the first projects I did was to use my own implementation of Plan 13 to automatically tune the radio to follow a satellite’s Doppler shift. Here is my first recording of the (recently defunct) satellite LO-19.
I recall burning three or four weeks of a sabbatical getting Saccade.com on the air with Wordpress. So much tweaking…