DARPA, through its Innovative Vacuum Electronic Science and Technology (INVEST) program, aims to develop the science and technology base for new generations of more capable vacuum tube electronic devices (VEDs).
Those microwaves that heat the food in your microwave oven come from a magnetron, the vacuum tube that made radar possible in the first half of the 20th century. Traveling wave tubes (TWTs), not solid-state amplifiers, generate the strong electromagnetic signals in communication satellites because of their exceptional on-orbit reliability and high power efficiency. Tubes are not dead!….READ MORE
Every April 18, radio amateurs worldwide take to the airwaves in celebration of World Amateur Radio Day. It was on that day in 1925 that the In... Read more
According to Radio Amateurs of Canada (RAC) President Glenn MacDonell, VE3XRA, Amateur Radio in Canada grew by 1,758 new licensees in 2018 — the large... Read more
The Radio & TV Correspondents’ Association (RTCA) has honored Cox Media Group Senior Washington Correspondent Jamie Dupree, NS3T, with its 2018 Ca... Read more
A NASA Cube Quest Challenge (CQC) team partnered with AMSAT-NA is among the five CQC teams to receive $20,000 each from the space agency as part of a... Read more
More than forty 4th and 5th graders at the Dorothy Grant Elementary School in Fontana, CA belong to the K6DGE Ham Club, run by their teacher, Beverly... Read more
Radio amateurs in Portugal have intensified the search for GPS buoys that are illegally operating and intruding on 10 meters. A recent International A... Read more
Wouter Weggelaar PA3WEG has provided this update on the status and plans for QB50p1 – EO-79. Earlier testing campaigns indicate that the AMSAT-UK/AMSA... Read more
In this episode, we cover a few new products and fun at Huntsville Hamfest and Tokyo Hamfair. Read more
These devices, MRF101AN and MRF101BN, are designed for use in HF and VHF communications, industrial, scientific and medical (ISM) and broadcast and ae... Read more
“Many believe the worst threat to our electronics is being damaged by an Electromagnetic Pulse. Today I show you how to prevent that damage and... Read more
Kobus van der Merwe, ZS3JPY reports that between 19:45 and 21:45 UTC on Wednesday 7 November 2018, a QSO took place on 2 metres between St Helena Isla... Read more
Pope Francis visits the USA Special Event Event Information Pope Francis visits the United States September 22 – 27 and amateur radio will be pa... Read more
SAQ, the old Alexanderson alternator transmitter at the World Heritage Grimeton Radio Station in Sweden, received 321 listener reports in response to... Read more
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World Amateur Radio Day !
Canada’s Amateur Radio Population Showing Continued Growth
Broadcaster Jamie Dupree, NS3T, Receives Radio & Television Correspondents’ Association Career Achievement Award
Lunar-Orbiting Ham Radio Satellite Could Result from NASA Cube Quest Challenge
![K6DGE – Dorothy Grant Elementary School Ham Club [ Video ]](https://qrznow.com/wp-content/uploads/2016/06/maxresdefault-2-190x122.jpg)
K6DGE – Dorothy Grant Elementary School Ham Club [ Video ]
Search is On for GPS Buoys Intruding on 10 Meters
EO-79 CubeSat Update
AmateurLogic 121: Hamfests from Huntsville to Tokyo
MRF101AN: 100 W CW over 1.8-250 MHz, 50 V Wideband RF Power LDMOS Transistor
Ham Radio EMP Kit, The Tactical Trash Can
Successful VHF QSO between ZS3 and ZD7
Amateur Radio Special Event Stations to Mark Pope’s US Visit
SAQ in Sweden Receives More than 300 Reports on Alexanderson Day, July 1
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