8:08 Numbers station recorded on April 21st, 2009, on 5900kHz in Chicago. Dean Armstrong 30 views - 2 months ago
1:19 Astronaut Sophie Adenot speaking directly via VHF radio to Emporia State University students Dean Armstrong 69 views - 2 months ago
0:52 Aeronautical weather report, from Trenton, Ontario, Canada received on shortwave Dean Armstrong 376 views - 8 months ago
0:10 hydrogen alpha prominence on the sun viewed through spectroscope Dean Armstrong 33 views - 6 years ago
0:04 Rubber shredded tire fire in Chicago visible on GOES satellite Dean Armstrong 43 views - 7 years ago
0:56 Using Processing for video color recognition and tracking Dean Armstrong 1.2K views - 15 years ago