G3PJT’s Project Notes and copies of articles
Amplifiers
A Lightweight 400 watt FET DXpedition amplifier
(pdf)
Antennas
Optibeam OB10-3W review (RadCom)( pdf
)
Optibeam OBW10-5 review (RadCom)
A 160m Tee antenna
A 40m 4 square Part 1 (RadCom)(pdf)
A 40m 4 square Part 2 (RadCom)(pdf)
The above includes a simple phase detector for setting up 4 squares
A discussion with an antenna master Frank G2QT (SK) (RadCom)
Modifications to the Butternut HF6V for DXpeditioning
(in preparation
)
Elecraft K2
Elecraft K2 projects