geostationary satellite data

Chris Angelico rosuav at gmail.com
Wed Dec 16 12:37:26 EST 2015


On Thu, Dec 17, 2015 at 4:30 AM, Peter Pearson
<pkpearson at nowhere.invalid> wrote:
> Agreed.  It's annoying when an agency goes to the trouble of making
> huge datasets available online, but fails to identify the format.
>
> But the 16-bits-per-pixel hypothesis is unlikely, given that each
> byte tends to echo its predecessor:
>
> 0000130 ffff ffff ffff ffff ffff ffff ffff ffff
> 0000140 ffff ffff ffff c0ff c1c0 c3c3 c3c3 c4c4
> 0000150 c4c4 c3c4 c3c3 c4c4 c3c3 c3c3 c3c3 c3c3
> 0000160 c4c4 c4c4 c5c4 c6c5 c7c7 c7c7 c5c5 c6c5

Hmm. With just a few exceptions. Maybe it's two channels or something
- is that what you mean by "taken at different wavelengths"?

Definitely it's begging for format identification from the source.

ChrisA



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