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Earth, Solar System
Oct 4, 2007

: In Oct. 1957, ham radio operator Roy Welch of Dallas, Texas, tunes in to the 20 MHz radio tones of Sputnik. [More] [ <div class="dnd-atom-wrapper" data-scald-align="...

Jan 26, 2006

Using a simple police scanner or ham radio, you can listen to a disembodied spacesuit circling Earth. + Play Audio | ... Using a simple police scanner or ham radio, you...

Jun 10, 2005

from space by the Solar and Heliospheric Observatory (SOHO). The many speckles are solar protons striking the spacecraft's digital camera. [More] Proton storms cause all...

Sun
Jun 10, 2005

Observatory (SOHO). The many speckles are solar protons striking the spacecraft's digital camera. [More] Proton storms cause all kinds of problems. They interfere with ham...

Solar System
Feb 20, 2004

, photographed Feb. 7th by amateur astronomer Gary Palmer of Los Angeles. He used an 11" telescope and a digital camera.   Many ham radio operators have heard these...

Sun
Sep 12, 2003

they were pelted by fast-moving solar protons. Our planet's magnetic field recoiled from the onslaught, and ham radio operators experienced a strong shortwave blackout....

Sun
Nov 16, 2002

,' " explains Rob Suggs, the leader of the MSFC Space Environments Team and one of the show's co-organizers. "It's basically a TV antenna and a ham radio receiver. Whenever a...

Earth, Sun
Dec 3, 2001

the decaying Proton rocket on Dec. 2nd at 0417 UT. The 217 MHz radar signal was transmitted by the Naval Space Surveillance Radar in Kickapoo, Texas. Nelson detected the echo...

Sun, Solar System
Jan 30, 2001

ionosphere fits safely inside our planet's much-larger magnetosphere, solar wind erosion is not a problem. That's good news for ham radio operators who depend on the radio-...

Jan 29, 2001

Luther Burbank School in southwest Chicago after students there received a call from space. It wasn't a hail from alien creatures, but the radio transmissions were...

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