Author: Johnson Francis

Every radio amateur should know about the basics of a radio transmitter, whether you are going to operate a commercial one or make one on your own, what

LignoSat developed by Kyoto University, Japan and the logging firm Sumitomo Forestry aimed at using wood for space exploration! Ligno stands for wood in Latin and you would

This week, every amateur radio satellite enthusiast is busy decoding and posting SSTV (Slow Scan TV) images from International Space Station. Now what is SSDV? SSDV is the

Yesterday, I had mentioned that I was quite happy when I came across a BD139 transistor in a voltage stabilizer brought back after repair. That was because I

Yesterday I was trying to check in to AIRNET India at 7.30 pm and I could hear the net control very strong, at 5,9+20 dB. Pressed the PTT

I am quite happy to receive this picture from Amateur Radio on International Space Station using my homebrew Delta Loop VHF antenna just now. One of the best

Demo of the method to receive SSTV from Space Station on 145.800 MHz during a pass of the space station. Timing and direction of the pass can be

An SSTV (Slow Scan Television) event from International Space Station is scheduled to start at 11:50 UTC on 11th November 2024 and will continue up to 18th November

Some time back we have a Google Meet on Fldigi in our LEO Satellite Group, conducted by VU2TUM. Thought of brushing it up once again when VU2NXG told

I had posted about LMR SDR a couple of days back. LMR SDR covers from 160m to 10m band and gives an output of up to 50 mW