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  • The Doctor Is IN: Antennas for Domestic Contests

    By Loyd C. Headrick / 2009-11-08 08:17:49
    Just 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…
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  • The Doctor Is IN: Pacemakers and RF

    By Loyd C. Headrick / 2010-11-13 22:47:25
    Schley 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…
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  • Ham Radio in Hollywood: Amateur Radio a Plot Point in Major Motion Picture

    By Loyd C. Headrick / 2012-01-06 08:59:05
    According 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…
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  • Yaesu’s Amateur Radio Division Breaks with Motorola, Changes Name to Yaesu Musen

    By Loyd C. Headrick / 2012-01-06 09:05:54
    After 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…
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  • Surfin’: Wiring Microphones

    By Loyd C. Headrick / 2012-03-27 14:26:08
    This 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,…
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Amateur Radio in Space: New Antennas Installed on ISS

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Published on Saturday, 28 November 2009 03:07
Written by Loyd C. Headrick
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Watch astronaut Mike Foreman install the 2 meter/70 cm ARISS antenna in this NASA video that highlights the second EVA of STS-129. The antenna installation begins at marker 9:46 and goes until 15:14. [Video courtesy of NASA]

On Saturday, November 21, astronauts Mike Foreman and Randy Bresnik completed the second EVA (extra-vehicular activity) -- NASA's term for a spacewalk -- of their mission. While on the 6 hour, 8 minute EVA, Foreman installed the Amateur Radio on the International Space Station (ARISS) antennas for 2 meters and 70 cm on the Columbus module. NASA ISS Ham Radio Project Engineer Kenneth Ransom, N5VHO, told the ARRL that this new antenna -- along with another VHF antenna -- was developed by ARISS in cooperation with the European Space Agency (ESA) to support an experiment involving the maritime Automatic Identification System (AIS). "Both antennas were installed on the Earth-facing starboard edge of the Columbus module," he explained. "The AIS antenna is forward and the ARISS antenna is aft. The ARISS team is planning to migrate some stowed Amateur Radio gear to take advantage of the new antenna." Frequencies available for transmission to and from Columbus will be 2 meters, 70 centimeters and 13 cm. To start, two radios for 2 meters and 70 cm that don't see much use on the ISS will be moved and installed in Columbus . The space shuttle Discovery is expected to return to Earth on Friday, November 27 and will bring Nicole Stott, KE5GJN, back from her stay on the ISS.

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