This comprehensive 462 pages textbook and reference on the subject of radio frequency (RF) receiver design presents the concepts, mathematics and design for such systems. Chapters include discussions on superheterodyne receivers, dynamic range, mixers, complex coherent frequency synthesizers, automatic gain control and beat frequency oscillators and additional sections cover advanced topics like digital signal processing…
A 31-year-old San Jacinto (KJ6CEY) woman was behind bars for a second time after allegedly pointing a laser at a firefighter behind the wheel of a fire engine. Irene Levy’s colorful history makes her no stranger to her community or local law enforcement. She is best known in San Jacinto for a stunt she pulled…
Sky Sat Communications of Montenegro appoints InnovAntennas Exclusive Distributor for its Advanced Contest Solutions Product Line in the North American and United Kingdom Markets Sky Sat Communications, founded by internationally renown amateur radio contester Ranko Boca, 4O3A, today announced the appointment of InnovAntennas as exclusive distributor of its Advanced Contest Solutions line of ultra high…
Pigtail is a device that interfaces amateur radios to the popular logging HamLog on Apple’s iOS operating system. HamLog is a full featured logging app that’s been in constant development since March 2009. The Pigtail as well as HamLog was designed for amateur radio operators that take their radios out of the shack, to parks,…
by Bob Furzer K4CY / 9K2ZZ I offer the following non-prioritized list of operating techniques guaranteed to bring a fast-paced, orderly (no matter how heavy) pile-up to a grinding halt …. QRP..QRP..QRP.. I fail to see the motivation or objective of this very common practice. For a start, I really don’t care if the station…