Category: Amateur Radio (Ham Radio)

First Look at EZNEC Pro+ 7.0 Antenna Modeling Software So far I have been trying out antenna designs built and tested by radio amateurs world wide. I have

Combining My VHF and UHF Yagis Into a Single Feeder Dual Band Satellite Yagi I had built seven element VHF and five element UHF Yagi antennas earlier. Both

How to Use hams.at for Posting Satellite Activations Recently I came across hams.at as a useful website by WW1X. It was VU2TUM who posted his satellite activations posted

Basic Types of Antenna Tuners Antenna tuners are used to match the output impedance of the radio to that of the transmission line – antenna system. Short discussions

Practical Implementation of Gamma Match Here is the transcript of the video: Gamma match is an arrangement used to match the impedance in both HF, VHF and UHF

Principle of J Pole Antenna Here is the transcript of the video: J Pole antenna is quite popular among radio amateurs for 2 m and 70 cm bands,

Adding New Satellite EIRSAT-1 to Gpredict for Tracking! Earlier I had installed Gpredict satellite tracking software on Windows. Yesterday I could install it on Ubuntu Linux also, quite

Should You Worry So Much About SWR? I was never worried about SWR or Standing Wave Ratio during my first stint in Amateur Radio in late 1980s. That

Be the First to Record EIRSAT-1 Telemetry! EIRSAT-1 or Educational Irish Research Satellite 1, built by a team of students at University College Dublin is scheduled to be

Exploring the SatNOGS (Satellite Networked Open Ground Station) Project I have been hearing about the SatNOGS (Satellite Networked Open Ground Station) Project for quite some time. It is