Matt,
Happy to hear this. Thanks for the information!
On Thu, Jul 28, 2022 at 1:45 PM Matthew Foster - NOAA Federal via ldm-users
<ldm-users@xxxxxxxxxxxxxxxx> wrote:
> The general consensus I have heard from operational forecasters is that
> this artifact, while annoying, does not significantly interfere with
> feature identification. It is much more obvious in derived imagery (e.g.
> RGBs and channel differences) than single-band CH7. It is also apparently
> NOT affecting the L2 Fire Detection (FDC) products.
>
> Hopefully, the engineers will be able to identify a fix or mitigation for
> it.
>
>
> On Thu, Jul 28, 2022 at 2:06 PM Ryan Hickman <ryan@xxxxxxxxxxxxxxxx>
> wrote:
>
>> 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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>
> --
> Matt Foster, Science & Operations Officer
> NWS Operations Proving Ground
> 7220 NW 101st Terrace
> Kansas City, MO 64153
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