Johnson's Techworld

Today at 8.19 pm, there was a pass of International Space Station of 19 degree maximum elevation, passing from North West to South East. Looking at the pass

Recently I had purchased a 32GB Ultra SDHC memory card for recording audio and screenshots from my FT-710 radio. It can also be used for firmware updates. As

There are several Roll Call and Non-Roll Call HF Nets in VU Land, as can be seen from the QSL NET page of VU2JOS. Today VU3CDK suggested a

Wynad Landslide is a major natural calamity which has occurred during the monsoon season with massive land slides causing washout of a small town and surrounding areas with

Yesterday night there was a high elevation pass of International Space Station around 10 pm. As it was raining and late night, I did not want to go

I have been hearing 4S7NDR on the FM Repeater of Amateur Radio on International Space Station a few times over the past few days. Once it was while

I have been hearing of Gamma Match ever since I attempted homebrewing a VHF Yagi initially and a UHF Yagi subsequently. Gamma Match is meant to match the

I have been using my Moxon Yagi for LEO satellite operations for a few months now. It has a single driven element which is a Moxon driven element

All veteran Low Earth Orbit Amateur Radio Satellite operators know that the best setup is a directional Yagi antenna with azimuth-elevation rotator and a full duplex radio with

When I switched on the radio today evening I was on 15m. I was quite surprised to see several signals on the waterfall display of my FT-710 radio.