AN/SRR-13A
RF front end coil rewinding  
Shaft coupler to main tuning capacitor fail.
Handle Gear Replacement  

Arduino UNO Frequency Counter 1Hz - 2.5 GHz
Arduino UNO Frequency Counter   

HP 141T 8443A cable
Home Brew cable   

KISS-488 Remote logging an HP 3478A DMM
KISS-488 HPIB GPIB IEEE-488 to Ethernet converter   

HP 141T 8552A 8552B special knob for 8556A LF section
Special Knob   

WWV 10 MHz TRF Receiver, W4CWG Design
WWV Calibration Signal  

DX-100B
Neutralizing  

FT-101EE
6JS6C to 6146 PA tube replacement  

Zenith IF Transformer
AM 455 KHz IF Transformer capacitor repair  

Voice of America Dixon, California
Voice of America Dixon, California  

Amplitude Modulation Envelope
Amplitude Modulation Envelope  

OWON B35T+ multimeter
OWON B35T+ multimeter  

Fluke 6060B repair
Frequencies below 245 MHz missing   

Tektronix 2215 repair
power supply ripple   

Sweeping IF Strip with HP 3325
Sweeping IF Strip