Author: Johnson Francis

Inferential meters are those which infer the flow while not measuring the flow directly. So they have to measure some other parameter instead. Magnetic inferential flow meters need

Yesterday there was a message on Amsat Bulletin Board mentioning that: ‘Astronauts “off-duty” tomorrow … MIGHT be some FM simplex communications happening!’. So I decided to listen keenly

VOACAP or Voice of America Coverage Analysis Program for HF Propagation Prediction is a free software, originally developed for Voice of America by Institute for Telecommunication Sciences, the

Raspberry Pi is a series of small single board computers developed by Raspberry Pi Foundation along with Broadcom. Raspberry Pi Foundation is a British charity and company having

Tokyo Ham Fair saw the high end radio from ICOM launched: IC-7760! Their tagline is “High Power & Clean Transmit Signal for Great Strength in Contests and DX

Parabolic Dish Antenna is also known as a Parabolic Reflector Antenna. That is because it uses a parabolic reflector which has a curved surface with the cross sectional

N0AX has shared a nice article on Solar Wind and Alfvén Waves on the Ham Radio Science Citizen Investigation (HamSCI) Google Group, which I found quite interesting. The

A new weekly amateur radio HF net on 20m was started a few weeks back, with net controls from India and Bangladesh. Earlier the time was announced as

Today evening I was on 20m, looking for the weekly Akash Bandhan Net. I thought that the net was at 5 pm as announced earlier. But I think

Yesterday, when I went through the specifications of the new FTX-1F QRP radio from Yaesu announced in the Tokyo Ham Fair, I noted that it has C4FM digital