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The Doctor Is IN: Antennas for Domestic Contests
By / 2009-11-08 08:17:49Just the other day, the Doctor and I got to talking about ARRL Sweepstakes. I showed him my crystal mug and whisk broom from last year's Sweepstakes running (the W1AW team did quite well), and he showed me what kind of antennas I should look into for domestic contests. Being more of a DX RTTY contester, I really don't know…Read More + -
The Doctor Is IN: Pacemakers and RF
By / 2010-11-13 22:47:25Schley Cox, W4AMW, of Owensboro, Kentucky, told the Doctor that he's headed to see the cardiologist next week about a pacemaker. He's already started researching their use around RF and says he is happy to go all low power (QRP), if that's what's called for. Schley mentioned that he might also be able to operate his…Read More + -
Ham Radio in Hollywood: Amateur Radio a Plot Point in Major Motion Picture
By / 2012-01-06 08:59:05According to previews, the plot of the movie Journey 2: The Mysterious Island -- set to be released February 10 -- hinges on Amateur Radio. The movie’s hero Sean Anderson (played by Josh Hutcherson) receives a coded distress signal that comes from a mysterious island where no island should exist. Sean decides to follow the signal with the unwilling assistance…Read More + -
Yaesu’s Amateur Radio Division Breaks with Motorola, Changes Name to Yaesu Musen
By / 2012-01-06 09:05:54After four years under the Motorola umbrella, Yaesu has split from that company. According to Vertex Standard President and Chief Executive Officer Jun Hasegawa, effective January1, 2012, Motorola will keep the Vertex Standard Land-Mobile Division, while the amateur, marine and air-band will be under the Yaesu Musen banner. The new company will be known as Yaesu USA here in the…Read More + -
Surfin’: Wiring Microphones
By / 2012-03-27 14:26:08This week, Surfin’ finds wiring diagrams for all those microphones that are on the loose in Ham Radio Land. Have mic? Need connection? Then a visit to the website Roy Frettsome, G4WPW, is just what the microphone doctor ordered. G4WPE’s Microphone Connections website is probably the most comprehensive and up-to-date Internet source for ham radio microphone-to-radio wiring information. Eleven years in the making,…Read More +
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ARLS007 South African Amateur Radio Payload Reaches Orbit
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- Published on Saturday, 19 September 2009 14:09
- Written by ARRL Newsletter
- Hits: 512
SB SPACE ARL ARLS007 ARLS007 South African Amateur Radio Payload Reaches Orbit After several delays, South Africa's SumbandilaSat satellite finally blasted to orbit aboard a Soyuz rocket from the Baikonur Cosmodrome in Kazakhstan on September 16. The main payload is a multi-spectral imager, but the satellite also carries an Amateur Radio component consisting of a 2 meter/70 cm FM repeater. After SumbandilaSat is fully commissioned, the repeater will be activated with an uplink at 145.880 MHz and a downlink at 435.350 MHz; there will also be a voice beacon at 435.300 MHz. The transponder mode will be controlled by a CTCSS tone on the uplink frequency. The CTCSS tone frequencies have yet to be announced.SumbandilaSat was sponsored by the Department of Science and Technology and was built at SunSpace in cooperation with the Stellenbosch University.In addition to the SA-AMSAT amateur module, the satellite carries Stellenbosch University's radiation experiment and software defined radio (SDR) project, an experiment from Nelson Mandela Metropolitan University and a VLF radio module from the University of KwaZulu-Natal. NNNN /EX
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