Red Hot Radio Archives - AD6A
Here are some links to the schematics, manuals, modifications and related information for the NorCal 20, RH-20, RH-40, and SMK-1 kits that I designed. Please let me know if there is any information missing you need. Email me at the address given on the homepage.

All material on this website is copyright (2004 - 2017) of Dave Fifield. You may print a single copy of any of the material for your own personal use only. All other copying, reproduction, linking, or any other use are not permitted. If in doubt, email me at the address shown on the homepage.