An engineer and compulsive builder. Mostly operates CW, likes dxing, builds as much gear as possible, actually does antenna modeling and helps others with it. Also engaged in fishing, golf, skeet and  retired from deep technical diving and rebreathers.

Caveat Emptor applies to all writings !

    Jeff's Articles

     NEW  160M Antenna Adventures

·         Recent Adventures and Improvements to my 160M Antennas

·         Mitech Welder 160P foot pedal wiring

·         Tube Transmitter Update..now with VFO's !

·         Invisible dog fence radio noise and cure

• UHF  Connector and Cable loss experiments (2010)
• Example of power measurement  
• PEP with scope method
• 160M antenna improvements
• Resurrecting a Tube Transmitter build
• Another 40M Directional Antenna  
•  Antenna  And QTH Pictures With A Fall Flavour
• New QTH for VE1ZAC, and a new delta loop array for 40M
• Arduino Based Auto Loop Tuner (VE1CEN)
• Nova Scotia being consumed by plastic bags (again) !
• Receive Antenna Fall Cleanup.. and a New Antenna !
• CONTACT SPORT by N3BB
• VA1GE 2016 Field Day
• Simple Guidance to K3 AGC settings
• Phase Noise- Revisited
• Magnetic Receive Loop
• Remote Auto Tuner call device for IC7700
• Small Lot Receive Antennas
• Notes on Optimum HF Portable Antenna
• Dallas Lankford inspired receive arrays
• An easier 2nd receiver scheme for IC7700
• Arduino  cure for IC7700 and remote tuner
• Refinements to Icom 7700-Arduino hookup
• MFJ 998 review and fix up
• My IC 7700 Meets a K3.. a users tale.
• Part 1: IC7700 and PRO 3 as second receiver
• Part 2 : Further IC7700 Adventures with an SDR-IQ
• Part 3:  More on Second Receiver for the IC7700
• The "WindoVert" is born !(Published in Winter 2009 QRP Quarterly)
• Working the WindoVert
•  Part 1 IMDR tests on my ICOM 7700
• Part 2 Further adventures with IMDR
• Measuring Phase Noise of Test Oscillators

    Retired Antennas

• Pennant Loop adventures
• I Finally  Build a K9AY Loop
• Diode Protection of Varactor element in Loop Terminations
• Part 1:  Adding a Director to a ¼ wave HF vertical antenna 
• Part 2: Adding a vertical parasitic element
• Part 3: Notes on parasitic vertical
• Phase Controlled Receiving Array For QRP
• A Note on Performance of the Short Misek-Style SWA
• My Misek micro SWA

    Operating

• The Old Power Myth
• EZNEC modeling notes
• Quick 6M antenna array
• Inaugural Maritime QSO Party contest.
• Maritime QSO Party 2013 ( late posting)
• Transmission Line losses, revisited
• QRP and a flashlight(Published in Fall 2008 QRP Quarterly)
• The Three  Tube  Mini Boat Anchor Experience(Published in Winter 2009 QRP Quarterly)
• Practical Gain