Johnson's Techworld

Any one listening to amateur radio nets would have heard many operators mentioning the humidity percentage in their radio room. I do have one in my radio room,

When I looked at the voice repeater schedule of IO-86 satellite for this weekend, I noted that there are several special voice repeater schedules for Rattlegram, being the

Some time back I have been able to work one station with the cross band repeater of International Space Station using my 40/10m combination dipole antenna. That was

I was tuning around with my revised full wave loop antenna for 40m to check performance on other bands. So far I had not seen SSB signals on

I had homebrewed a ladder line along with a full wave loop antenna for 40m using 60m long 2.5 sq mm insulated copper wire. ‘Steps’ of the ladder

I had posted my view on why my ladder-line with full wave loop antenna meant for 40m was not tuning well on 40m, while it had good results

My full loop antenna with 40m of wire for the loop and 10m homebrew ladder line has been working well on 20m and higher bands with ATU-100 tuner,

Bought a car inverter rated for 200W online so that I can charge my laptop while on the move. But car cigarette lighter socket is rated for only

I am having an FT-710 radio with peak envelope power (PEP) on single side band (SSB) of 100 W. My license class permits me to use 400 W