K1TRB: Tom Berger 

  I have been homebrewing since 1951 when I built a Cub Scout crystal set. I was first licensed in 1956 as KN6REV, then K6REV, W0LWA, and finally K1TRB.


 Waterville Area Wireless Association 


 On the Web 
 On QRZ.com 


        Club Projects        

  I am project coordinator for our club.

Dummy Load RFL-100
Diode RF Probe
Interface SC-2
Talk: Choke Baluns
Baluns


 My Projects 

   I am interested in electronics from the design phase all the way through building and using the project.  Documentation of my projects is variable.  The documentation is in pdf so it is easy to download and save.

 Wallin Jig II 
 Stereo Audio Amplifier 
 Stereo 40db Preamplifier 
 LC Audio Filter 
 4 Xtal 3KHz Filter 
 Transmit/Receive Switch 
 LED SWR Bridge 
 20m Whip Antenna 
 Yana: Yet Another Network Analyzer (Yana)
There is an enhanced version (YanaVNA-BT)  of Yana with bluetooth connection to a computer designed by Rudi Reuter, DL5FA 

 Yana: Brochure 
 Yana: Design 
 Yana: Parts List 
 Yana: Build Instructions 
 Yana: Programming 
 Yana: Dongles 
 Yana: Calibration 
 Yana: C Sketch 
 Yana: Operation Manual 
 SNA Experiment: Measure a 6 Meter Bandpass Filter 
 SNA, SWR Experiment: Tune a 80 Meter Bandpass Filter 
 SNA, SWR Experiment: Measure a Wideband Amplifier 
 SWR Experiment: Measure my W0BTU antenna SWR on 40m and 20m 
 PWR Experiment: Measure Transmitter Output Power 


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