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</o:shapelayout></xml><![endif]--></head><body lang=PT link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>PIE1 - Raspberry Pi sends live images from near space<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Dave Akerman has used a Raspberry Pi computer board as the flight computer on a High Altitude Balloon (HAB) and sent back live images from near space at an altitude of almost 40 km <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>The balloon, appropriately called PIE1, was launched from Brightwalton, in Berkshire on July 14, 2012. The images were transmitted on 434.650 MHz (300 bps, 600 Hz shift) in the amateur radio 70cm band using the Slow Scan Digital Video (SSDV) standard. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>PIE1 reached an altitude of 39,994 metres and images were received as far away as Northern Ireland (that's over 500km, not bad for just 10mW on 434.650 MHz!). <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>The full story and pictures are on Dave Akerman's website <a href="http://www.daveakerman.com/?p=592">http://www.daveakerman.com/?p=592</a> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Read The Register article <a href="http://www.theregister.co.uk/2012/07/17/pi_ascent/">http://www.theregister.co.uk/2012/07/17/pi_ascent/</a> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Slow Scan Digital Video (SSDV) <a href="http://ukhas.org.uk/guides:ssdv">http://ukhas.org.uk/guides:ssdv</a> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>UK High Altitude Society <a href="http://www.ukhas.org.uk/">http://www.ukhas.org.uk/</a> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>High Altitude Balloons have featured at a recent AMSAT-UK International Space Colloquium in Guildford.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>You can watch a video online of the presentation that Cambridge University Spaceflight gave called “Teddy Bears in Space” at http://www.batc.tv/channel.php?ch=1<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>In the Archive List category box select AMSAT then click Select Category then in the stream box select Teddys and click on Select Stream<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Or download a copy of the video at <a href="http://www.batc.tv/vod/Teddys.flv">http://www.batc.tv/vod/Teddys.flv</a> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>This year's AMSAT-UK International Space Colloquium takes place Sept. 15-16, details at <a href="http://www.uk.amsat.org/colloquium/twelve">http://www.uk.amsat.org/colloquium/twelve</a> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>