Johnson's Techworld

HamFest India 2025 is scheduled to start tomorrow at Goa. AMSAT-India has a lot of programs in the pipeline for the HamFest including live demo of satellite communications

I was always wondering two things about solar panels on rooftops of nearby homes. One was why it is kept at an elevation rather than flat on the

Python is a popular high-level, general-purpose programming language used by developers. Currently it is the most important programming language being learned by students of Class XI and XII

I had seen a video by VU3IXV illustrating reception of QO-100 Geostationary Amateur Radio Satellite using a satellite TV dish antenna and RTL-SDR. Downlink from QO-100 is in

Slow Scan Television (SSTV) transmissions to celebrate the World Space Week 2025 has been going on from the International Space Station and most of the Amateur Radio Low

Most of us will be familiar with the 2.4 GHz and 5 GHz Wi-Fi bands which are common place in our home wireless routers. Some may be aware

Interestingly, 5 GHz band is also 5 cm band. According to one source, the allocation in 5 cm band for radio amateurs in India is 5725–5840 MHz or

I have very little space to mount antennas, can manage just one telescopic pole on my tiny terrace. Hence I have pulled up all my HF antennas on