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
DX Engineering Universal Copper Grounding Clamps DXE-UCGC-Z DX Engineering Universal Copper Grounding Clamps are custom designed to provide a ground r... Read more
Yaesu SP-10 and SP-20 SP-10 and SP-20 On December 8, 2016, Yaesu Radio Co., Ltd. announced the external speaker “SP-10” (12,000 yen tax-ex... Read more
VHF/UHF Mobile Antennas Antenna, VHF/UHF, Glass Mount, 144-148/442-448 MHz, 100 W, 32.75 in. Max Height, 14 ft. RG-58, PL-259, Each Brand:LARSEN ANT... Read more
“YOTA 2018 South Africa is now over, and one of the highlights of the youngsters’ week were the kit building sessions. They had the opport... Read more
Cocos Keeling Island Nobuaki, JA0JHQ he will be active from the The Bird’s Nest, Cocos keeling island between September 19-25, 2015. QRV on 80-6m, CW/... Read more
The new version of the well known Shared Apex Loop Array, the SAL-30 Mark II is here. The four vertical sides of the loops have been replaced by a sin... Read more
The early days of amateur radio on the farm – History pages from the March 1948 issue of Canadian Cattlemen Visit: http://www.canadiancattlemen.... Read more
Last year — 2016 — was another outstanding one for Amateur Radio licensing. So says ARRL Volunteer Examiner Coordinator (VEC) Manager Maria Somma, AB1... Read more
decoder translates and displays the tones of a telegraph or teletype signal on a display of alphanumeric characters. Only required to run a connection... Read more
Palau JH1BGH and 7K1HLJ will be active from Koror, Palau as T88WI and T88WH between November 10-15, 2015. QRV on HF bands. QSL via H/cs. Source: ... Read more
UBA PSK63 Prefix Contest 1. Date 10 january 2015, 12:00 UTC until 11 january 2015, 12:00 UTC. (every year the 2nd weekend of january) 2... Read more
VHF/UHF Log-Periodic Antenna Antenna, LPDA Type, VHF/UHF, 21 Elements, 50-1300 MHz, 500 W, 50 ohms, 6.66 ft. Boom Length, Type N, Female Create CLP-51... Read more
Post by Ak-Sar-Ben Amateur Radio Club. Read more
The Kenwood TM-V71A is a true dual-band operation radio so VHF+VHF/VHF+UHF/UHF+UHF operation is possible. The detachable control head is easily connec... Read more
The event center is hotel Ibis in Astana, the capital of Kazakhstan. The host of the championship is KFRR, Kazakhstan federation of radiosport and rad... Read more
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DX Engineering UCGC-Z Universal Copper Grounding Clamps
Yaesu announced the external speaker SP-10 and SP-20
Larsen VHF/UHF Mobile Antennas KG2/70CXPL
AE4FH Interviews Hans from QRP Labs About the QSX SDR Transciever Kit
JA0JHQ/VK9C – Cocos Keeling Island
SAL 30 Mark II Receiving HF antenna by Array Solutions
The early days of amateur radio on the farm
Another Outstanding Year for Amateur Radio Licensing!
CW Decoder – Inac
T88WI & T88WH – Palau
UBA PSK63 Prefix Contest
Create CLP-5130-1N VHF/UHF Log-Periodic Antennas – VHF/UHF, 21 Elements, 50-1300 MHz
Police Frequency Jammed
Kenwood TM-V71A Full Dual Bander 144/430MHz
15th IARU HST world championship is officially open!
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