As you sit there reading this story you’re surrounded by electromagnetic energy transmitted from sources such as radio and television transmitters, mobile phone networks and satellite communications systems. Researchers from the Georgia Institute of Technology have created a device that is able to scavenge this ambient energy so it can be used to power small…
NG Photo (c) Operators are requested to QSY away from 7.060-7.063MHz and the designated IARU Regional CoA emergency frequencies due to use by Thailand hams during the flood emergency. Thai authorities continue to battle the country’s worst floods in decades with the death toll at some 280. The capital of Bangkok is under threat despite…
This note copied from the List.Contesting.com and permitted re-published by author – TF4M Thor. As you may know I have served my Perseus SDR receiver over the internet for almost a year – it never occurred to me that people would use it for cheating purposes. I found the experiment interesting for a variety of …
WW1WW – 80m Beam Repair. Photo: WW1WW
As the third quarter of 2011 came to a close, ARRL VEC Manager Maria Somma, AB1FM, began calculating the number of licensed Amateur Radio operators in the US, as well as the number of new licensees. “At the end of September, I saw that the number of hams in the US was high,” she said.…