My Par End-Fedz Antenna

I use a Par End-Fedz antenna at my QTH, in particular, the EF-20. Par Electronics calls these antennas ‘dipoles’.  They are nothing of the sort. Just because an antenna is a half-wavelength long, does not make it a dipole.  Here’s what they say- “The Par End-Fedz are a full length half wave dipoles, but with … Read more

Web-based software-defined radios explained


With tens of thousands of radio stations streaming their content on the web, the world is your oyster. Whether you’re into Cuban salsa or small-town American music, you’ll find no shortage of stations that cater to your tastes. This might suggest that all you’ll ever need is an Internet radio portal, such as, but … Read more

What is shortwave radio?

From a purely technical point of view, shortwave radio refers to those frequencies between 3 and 30 MHz.  Their main characteristic is their ability to “propagate” for long distances, making possible such worldwide communications as international broadcasting and coordination of long-distance shipping. From a social point of view, shortwave radio is a method of facilitating … Read more