Received an image from ISS / 2015-07-19

2015-07-19 Received an image from ISS
ISS SSTV image received 2015-07-19 by PD4KH This weekend gave me another chance to receive slow-scan TV (SSTV) images from the International Space Station. These images were transmitted to commemorate the 40th anniversary of the Apollo-Soyuz Mission.

The usable passes from my home location were at a bit early times: 05:30, 07:10 and 08:43. And I really like to sleep out on Sunday, especially since I'm currently quite tired. So I opted to only go for the 08:43 pass and see what I could get. Timing of images was also bad: when I started to hear the ISS I heard the tones of the end of an image. But later a new image started and I managed to receive the whole image although some noise in the middle (some building in the way probably) made qsstv break the image in two parts, which I fixed using the gimp.

Used equipment: laptop with gpredict for calculating azimuth/elevation and frequency correction, a tripod, the Arrow antenna, the FT-857 radio. I recorded the audio on the laptop with audacity and did the decoding with qsstv later, which gave me the opportunity to try it a few times to get the best decode.

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