Johnson's Techworld

Today evening by about 5.30 pm local time, I could see several signals on the waterfall on 40m, which was quite unusual. In the morning hours 40m band

UVSQ-SAT is activated only rarely. That is why I have called it as a ‘Rare Bird’! Now it has been activated for 48 hours starting from 0000z on

UVSQ-SAT is a CubeSat which was launched on 24th January 2021. Though it was initially mentioned that UVSQ-SAT team will provide an availability of the transponder up to

HRC fuses are High Rupturing Capacity fuses. Older types of fuses used a simple wire which would melt and even burn off when a certain level of current

This CW paddle was bought from a local ham. It works fine, but I have been a bit lazy to try it out! In this video clip I

Many amateur radio satellite operators are also keen observers of weather satellite data. They regularly post images captured from weather satellite downlinks on various social media. Being in

As soon as radio amateurs establish contact over the radio, they exchange signal reports, typically in the R-S-T format. R-S-T stands for Readability, Strength and Tone, though the

I still have the sweet memories of working a lot DX on CW in late 1980s using my homebrew 3 x 807 radio. That was a great upgrade

Some of my friends have been able to work 10m band over the past few days and I was on the lookout for stations on 10m. I heard