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From: | Marcus Müller |
Subject: | Re: [Discuss-gnuradio] HRPT receiver |
Date: | Tue, 25 Feb 2014 09:58:02 +0100 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 |
Hi Pablo,
Googling "Noaa image format" instantly yielded: http://commons.wikimedia.org/wiki/File:NOAA_APT_Frame_Format.gif http://www.sat.dundee.ac.uk/hrptformat.html It's already been done a few times - for example like this (really just googling "GNU Radio NOAA image decode" and clicking the first thing away...) http://www.oz9aec.net/index.php/gnu-radio/gnu-radio-blog/350-noaa-weather-satellite-reception-with-gnu-radio-and-usrp but here, Alexandru Csete used a GNU Radio-Based flowgraph just to record the received signal to a Wav file and process it via atpdec http://atpdec.sourceforge.net/ and, honestly, how cool would it be if you wrote a small piece of GNU Radio software that had a signal sink, which used the atpdec code and displayed images in a window? (Hint: awesome). So: Happy Hacking, Marcus On 02/25/2014 09:38 AM, Pablo Fernández Alonso wrote:
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