Topics including vintage equipment, restoration, on-air operation and other things.  There is always room for improvement and I welcome questions, suggestions or comments via email.


Collins S/Line Restoration Notes                               

Collins S/Line Influence on Heathkit's SB-Series  

Heathkit SB-101 Rebuild and Restoration Notes  

SM-220 / BS-8 Converter for FT-1000D                     

Drake T-4XB Audio Improvement                                 

80m Echo Observations                                                           

 
Collins S/Line Prices on eBay                                      

  
Rebuilding Classic HP Calculator Battery Packs__      


A Highly Technical Article on Circuit Design                                


Common Writing Mistakes on the Internet               

Ham Radio Crossword Puzzles____________________