Johnson's Techworld

Have a look at the pass direction of International Space Station at 9.43 am today. Looks like a Western pass. But there is a snag. Maximum elevation is

Today morning during my routine propagation checks, I visited the Space Weather Prediction Center website by the National Oceanic and Atmospheric Administration of the United States. There was

Can you use homebrew ‘Twisted Flex’ as feed line? What about one piece of refurbished RG213 and half the length of homebrew twisted flex (10+5m)? Here is my

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