Pictorial Review of Gamma Match Implementation Here is the gamma match on my 5 element UHF Yagi antenna. This pictorial review is complementary to my previous post on gamma
PCB Antennas PCB Antennas, as the name implies, are antennas integrated on the printed circuit board. Ground plane for PCB antennas are copper patches on the reverse side
Atmospheric Drag of LEO Satellites Earlier I used to think that satellites once launched to space would go around the earth indefinitely (forgive my ignorance). It is only
FUNcube-1 (AO-73), Educational Amateur Radio Satellite FUNcube-1 is part of the FUNcube family of satellites, which also includes JY1SAT or JO-97 and Nayif-1 or EO88. It is a
EIRP (Effective Isotropic Radiated Power) is a term often used in Satellite Communication, also known as Satcom. Isotropic antenna is theoretical one which radiates equally in all directions
Tips and Tricks for Working LEO Satellites Though working amateur radio satellites was in my wish list ever since I got my amatuer radio license in 1985, I
Solar Eclipse QSO Party 2023 and 2024 Couple of solar eclipses are coming up, one on 14th October 2023 and another on 8th April 2024. Ham Radio Science
Near Vertical Incidence Skywave (NVIS) Propagation Near Vertical Incidence Skywave (NVIS) Propagation is useful for medium range communications in amateur radio especially in hilly terrain, forest region and