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
Raspberry Pi for Ham Radio This is a Raspberry Pi 3 kit with a 7 inches touchscreen that I build in about 30 minutes Raspberry Read more
Photo:9A1A Croatian radio amateurs now have access to a secondary 60-meter allocation of 5,351.5-5,366.5 kHz, as agreed to at World Radiocommunication... Read more
ITU International Amateur Radio Club station 4U1ITU in Geneva will mark World Radio Day on Friday, February 13. This event also marks the kicko... Read more
Under normal circumstances, Kids Day on Saturday, June 20, would offer an opportunity for individual radio amateurs or clubs to introduce the next gen... Read more
PU2WPX – Leonardo Alves Motoyama. The youngest Amateur Radio in Brazil, with only 9 years old and already CW practitioner, who now joins... Read more
AnyTone AT-5555N GENERAL SPECIFICATIONS Frequency Coverage: 28.000 to 29.699 Mhz Antenna Impedance: 50 ohm, unbalanced Frequency Control: Digital Phas... Read more
AMSAT EA will be on air on all available satellites with callsign AM1SAT from Sept 10-17 to celebrate IberRadio 2018 – IV Radiocommunications Fair, th... Read more
Anytone TERMN-8R Radio: Third Party Review and Walkthrough Read more
“Noise is the constant companion of the stealth antenna warrior. And as the 160m season heats up this winter, the noise level of the house with... Read more
Interior Alaska radio club, weather service will run emergency drill Visit the Article By Kris Capps : Read more
The ULTIMAX-8040 broadband dual band double bazooka for 40 & 80 meters is a fantastic antenna using a newly designed “HY-Q” coax coils that gives... Read more
“The FT-4X is the cheapest HT producted by Yaesu and manugactured in China. For intents and purposes, this radio has all the featues of a Baofen... Read more
Uniden Advances Scanning with Digital Mobile Radio (DMR) Demonstrating our commitment to continually enhance the value and relevance of your investmen... Read more
Two super stations suffered enormous losses this August.N0NI, Toni in Iowa:lost 1200 FT of tower (10) and 35 (!) antennas in weather phenomenon called... Read more
AMSAT Vice President Engineering Jerry Buxton, N0JY, on August 15 delivered RadFxSat (Fox-1B) CubeSat, built in partnership with Vanderbilt University... Read more
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Raspberry Pi 3 projects for Ham Radio with 7 inches touchscreen
Croatia Confirms New 60-Meter Allocation, Expanded 160-Meter Privileges
4U0ITU – World Radio Day
Kids Day in the Age of COVID-19
PU2WPX – The youngest Amateur Radio in Brazil with 9 years old
AnyTone AT-5555N 10 Meter Radio – 30 Watts
AM1SAT Special Award
![TERMN-8R Radio: Third Party Review and Walkthrough [ Video ] – Anytone](https://qrznow.com/wp-content/uploads/2015/03/51StQw466JL-190x122.jpg)
TERMN-8R Radio: Third Party Review and Walkthrough [ Video ] – Anytone
Triband Receiving Loop for 160/80/40m by AC0C
Interior Alaska radio club , weather service will run emergency drill
The ULTIMAX-8040 broadband dual band double bazooka for 40 & 80 meters
Yaesu FT 4X Review – A Baofeng Killer?
Uniden Announces DMR/MotoTRBO™ Support Coming Soon
Two super stations suffered enormous losses this August.
AMSAT Reports RadFxSat (Fox-1B) Completes P-POD Integration
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