Johnson's Techworld

This is the 555 timer Integrated Circuit with which we used to make Code Practice Oscillators when we were short wave listeners to practise Morse Code while preparing

Every radio amateur knows about CQ calls and I am quite to happy to hear a CQ call on the amateur radio bands as that is an opportunity

My single band VHF only CP22E antenna has a phasing coil between the upper and lower elements. CP22E is a two-element 5/8λ stacked ground plane antenna with three

I was watching the DX cluster spots on DXWATCH.COM, when I noticed several spots of N5J on multiple bands. I checked those frequencies in my radio, with no

Diwata-2 (PO-101) was designated as  Philippines-OSCAR 101 by AMSAT, the Radio Amateur Satellite Corporation, headquartered in Washington, D.C. I have been hearing the FM voice transponder of PO-101

There was an Eastern pass of Space Station at 8 am IST today morning with maximum elevation of 32 degrees in this region. As usual I had pointed

I had homebrewed a Moxon Yagi some time back and have been using it for LEO Amateur Radio Satellite operations for the past few months. Being an antenna

There was a pass of Space Station from North to South along the Eastern side today evening at around 6.45 pm IST. So I kept my Moxon Yagi