Discone Antenna for Receiving Amateur Radio From International Space Station My Twitter friend Jim Reed, N4BFR is using a Discone Antenna to receive amateur radio signals from International
What is a Solar Storm? Solar storm typically starts as a huge explosion on the sun known as solar flare. This leads to huge bursts of electromagnetic energy
What are Loaded Coil Dipole Antennas? Dipole antennas can be made physically shorter than the usual half-wave dipole antenna by adding loading coils. It is useful for single
What is Doublet Antenna for Multiband Operation? Doublet antenna is a form of dipole antenna with a balanced feeder like an open wire feeder or ladder-line used along
What is Counterpoise in an Antenna System? A simple definition of counterpoise is a conductor or system of conductors used as a substitute for earth or ground in
What is G5RV Antenna? G5RV Antenna is a multi-band Amateur Radio Antenna designed by Louis Varney, who passed away in 2000 at the age of 89 years. Currently
5/8 λ Vertical Antenna Recently I installed a CP22E Antenna which is a stacked two element 5/8 λ Vertical Antenna with a phasing coil in between. 5/8 λ
Pictorial Review of Power Supply Components Here is a brief pictorial review of some important components seen in a power supply. Power transformer is one of the heaviest
Car Mobile Phone Charger This car mobile phone charger fits into the cigarette lighter adapter available in every car. Power on will be indicated by the lighting up
