ARES responds to Hurricane Matthew
ARES volunteers in Florida, Georgia, and the Carolinas are helping or gearing up to support communication during the response to Hurricane Matthew.
Frequencies in use in conjunction with Hurricane Matthew response
Please avoid interfering with these frequencies, and do not check into any emergency nets unless you genuinely have something of importance to contribute.
How to use Amazon Echo in Ham Radio
Putting the voice activated computers on line, we can send voice commands followed by DTMF and access the Internet directly.
Circular SWR ruler
This tool can calculate gain, loss, SWR and return loss in a second with enough precision for most amateur works.
Catching CubeSat chatter? There’s an app for that!
Estévez’s gr-satellites project provides a collection of applications to decode satellite telemetry.
What I pack for the Chicago Marathon
For the fourth year, I will be part of the Medical Communication Team at the Chicago Marathon this weekend.
An end fed halfwave antenna for portable ops
My main reason for not putting much effort into portable operation is that when I go out into nature, I want to enjoy my surroundings and not be distracted by radios.
Inverter generators: What you need to know
Inverter generators convert the high frequency, three phase AC into DC current via a solid state rectifier, and from there the electricity goes into a conventional 60 Hz.
Off Grid Ham
American Morse Code
American Morse Code was first used on the Baltimore-Washington telegraph line, a telegraph line constructed between Baltimore, Maryland, and the old Supreme Court chamber in the Capitol building in Washington, D.C.
12V battery performance comparison
Sealed Lead Acid vs A123 and Bioenno LiFePO4