Category: Antenna and Propagation

Stealth Antennas in Amateur Radio In the olden days when TV antennas on the rooftop was a sign of prestige and a necessity for most homes, nobody would

What is a Ferrite Rod Antenna? Ferrite Rod brings back nostalgic memories of childhood when it was shown to me inside our old transistor radio by none other

What are Frequency Independent Antennas? Frequency independent antennas are theoretically those with no limitation of bandwidth, as the name implies. But in actual practice no antenna can be

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

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,

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

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