Johnson's Techworld

I had mounted the End Fed Half Wave (EFHW) antenna which I had purchased recently with three masts. One CPVC pipe of 3 m length on the compound

Performance of the End Fed Half Wave antenna (EFHW) which I bought recently has not been good on 40 m, due to compromised mounting as a result of

I have been intrigued by these two bands of signals on upper and lower ends of 20 m band ever since I started monitoring the waterfall display on

This question is about the potential for recycling this CPU Air Cooler, to those great amateur radio homebrewers out there. Retreived this CPU air cooler made of aluminium

I had made a half-wave dipole antenna for 10 m recently, but had not added a 1:1 balun at the feedpoint. There was no PL 259 connector at

When I started off in 1985 as an amateur radio operator, I was not aware of crimping PL 259 connector and had a tough time soldering the outer

Radiotriangulation is used for detection of hidden radio transmitters in an important radiosport among radio amateurs, popularly known as “Fox Hunt“. Two directional antennas operating from two locations

My new CW (Morse Code) paddles arrived by courier yesterday from Aaram Ham Radio Shop. (NOT a promotional affiliate link, just for information to CW lovers out there!) As

I read about an operating award for 60 m on QRZ forum a few days back. Time window for the award is supposed to end today. Had a

During an online discussion I came across a ‘Lazy inverted V antenna’ for 160 m with apex at 18 m. This prompted a search for the “Lazy Inverted