An antenna tuner in the shack can be useful for matching non-resonant antennas. But these tuners may not always be the best solution. Find out why in the Remote Antenna Tuners episode of the ARRL The Doctor is in podcast.
Craig Fugate, KK4INZ, was the FEMA Administrator over the course of the Obama presidency and was a vocal proponent of the public service communications provided by Amateur Radio Operators. The February 21, 2017, episode of Ham Radio Now was dedicated to an interview of KK4INZ; during this interview he discusses what Amateur Radio Operators need to do in the future to remain a valuable public service asset during emergencies.
After meeting for more than 19 years at the Cass County Annex building (in a space which was previously the Cass County Emergency Operations Center) the Red River Radio Amateurs are moving to the West Fargo City Hall.
The Red River Radio Amateurs would like to thank the City of West Fargo for providing them with a new meeting location and the Cass County Government for hosting them in the past.
Please read the about our club page to learn more about the Red River Radio Amateurs.
Inexpensive Chinese radios, such as those produced by Baofeng Technologies are popular as starter radios due to their low cost. They are also used as disposable or spare/back-up radios.
Learn about the internal architecture of the Baofeng UV-5RB in the Teardown Tuesday: Baofeng Amateur Radio Transceiver article on the All About Circuits website.
This article describes the disassembly process and includes a video of the tear down. It also includes circuit board photographs, a schematic diagram, block diagrams of the major components used in the radio, and links to data sheets for those major components.
“In radio or wireless telephony, Private Line is a term trademarked by Motorola to describe their implementation of Continuous Tone-Coded Squelch System (CTCSS), a method of using low-frequency subaudible tones to share a single radio channel among multiple users.”
Learn about the technical background of this squelch tone system in the CTCSS, DTMF and More episode of the ARRL The Doctor is in podcast.