Doppler images page has a few interesting images illustrating Doppler shifts.

The Mineral Wells tower project is the picture story of a tower installation. It's up and all planned bands QRV.

The 39th anniversary of the first six meter Moon bounce contact.  This happened in July 1972, now 39 years ago.

The Mineral Wells 23 cm E.M.E. project now pretty much abandoned since the tower project became high priority.

T-RIS - Telonics Remote Imaging System was a lot of fun and put my kids through college.

GrafTrak Satellite Tracking System The GrafTrak system works quite well now under Microsoft Virtual PC.


Any questions may be directed to me at W5SXD AT arrl DOT net or rca AT rcallen DOT com ...


updated 2011 May 28 by Richard C. Allen, W5SXD