Thanks for sharing Mike!
Unfortunate that we're experiencing this and certainly hope that it gets
resolved. Having two non-nominal satellites in the same sector is
unfortunate but a single band (Band 7/GOES-18) vs multiple bands (Band 10,
12 & 16/GOES-17) is obviously better. Looking forward to further
information on what might be happening and potential correction or
mitigation.
On Thu, Jul 28, 2022 at 1:01 PM Mike Zuranski <zuranski.wx@xxxxxxxxx> wrote:
> Greetings all,
>
> The upcoming GOES-18 Interleave period is on schedule to begin Monday 8/1
> (though I'm unsure of what time). That's the good news.
>
> The bad news is during Post Launch Testing an anomaly was found with Band
> 7 data that results in vertical lines appearing in its imagery. This
> "Barcode Artifact" is still under investigation and will not be mitigated
> in time for the upcoming interleave period, so these lines may be seen in
> that or any other multispectral/RGB imagery using Band 7.
>
> While the root cause is still unknown, it is NOT the same type of cooling
> issue that GOES-17 has. The cooling system on GOES-18 (and GOES-U/19) was
> redesigned and it is performing nominally (Phew!).
>
> For more information see this message from OSPO:
> https://www.ospo.noaa.gov/data/messages/2022/07/MSG_20220728_1550.html
> There's a useful PowerPoint linked on that page with examples, but be aware
> it's about 50MB in size.
>
> Felt this was worth sharing in advance of the interleave period so we know
> to expect it and that it's not at all related to LDM, NOAAPort, other
> software, etc..
>
> Best,
> -Mike
>
> ======================
> Mike Zuranski
> Meteorology Support Analyst
> College of DuPage - Nexlab
> Weather.cod.edu <http://weather.cod.edu/>
> ======================
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