Frank Dziurda/K7SFN                                             United States of America Amateur Radio Station K7SFN

 

 K7SFN Home Brewing

 
 
Here, I have made an effort to present some of the projects that I built for myself.
 
 
 

Signalink Modification:

 


2KW Antenna Tuner:


 
 2K Linear:

 

 Station Antennas:

 
 

  

 Ultrasonic Power-line Noise Detector

 

 

135MHZ Portable Beam
 
 

 A Simple Blue Tooth Interface for my Transceiver

 
   

 160M / 80M Receiving Loop Antenna System
 
 

 
 Amritron AL-80  
   
 
 
 
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(c) Frank Dziurda/K7SFN