Impact of Solar Flares on Amateur Radio Solar flare is a localized intense eruption of electromagnetic radiation from the Sun’s atmosphere. They may be accompanied by coronal mass
What is Reverse Beacon Network in Amateur Radio? I came across Reverse Beacon Network in a discussion with AA5ET on 80 m propagation during the October 14, 2023
Working Principle of EFHW Amateur Radio Antenna EFHW or End Fed Half Wave Antenna is quite popular among radio amateurs for multi-band portable operatios. While a center fed
Importance of Grounding in Amateur Radio Grounding an amateur radio station is important in three ways. First is electrical safety to the operator and the equipment. Second is
What is a T2FD Antenna? T2FD is short form for Tilted Terminated Folded Dipole, also known as Balanced Termination Folded Dipole antenna and Broad Band Terminated Dipole. At
What is Vivaldi Antenna? Vivaldi antenna is a broadband antenna, also known as Vivaldi aerial and tapered slot antenna. Vivaldi antenna was invented by Peter Gibson in 1978.
Rhombic Antenna – A Broadband Antenna Rhombic antenna is a broadband directional antenna which was invented by Edmond Bruce and Harald Friis in 1931 and was considered king
What is Effective Antenna Aperture? Effective antenna aperture can be considered as the area from which the antenna receives electromagnetic radiation which is having the same polarization as
What are Smart Antennas? Usually we consider antennas as passive structures receiving and transmitting signals received by them. But smart antennas are antenna arrays with signal processing algorithms
