Blog 3

A few more details of the design might be of interest.  The design is based around 2 micro-controllers; one that provides the user interface and acts as the master unit, and the other manages motor control and position tracking.  They communicate between each other using a proprietary command set over a 2 wire RS485 serial interface.  The baud rate is …

Blog 2

A number of conversations I remember from Dayton last year resolved around the resolution of the then proposed Az/El Rotor project.  A number of comments from well-meaning hams was that a resolution of only 1 degree was inadequate, 0.1 degree was needed.  That may be the case for a large permanent installation with long high gain antennas but for a …

Blog 1

The development of the Azimuth/Elevation (Az/El) Satellite tracking rotor system has been ongoing since we showed off the proof of concept device at Dayton last year.  It was mostly a ‘smoke-and-mirrors’ display but it got the idea out for comment with other Hams.  After returning from Dayton 2015 we started on the design and testing of possible solutions to meet …