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Excellent. NCF confirms that their BNSF issues have been resolved, so all
tickets on this issue are finally closing. Phew…and in fact, whereas the uplink
used to be about 2-3 dB lower in signal strength, it’s now a half a dB better
than the main uplink! With a smaller dish, we can’t ask for better, and all of
the duplicate “keep alive” products will be stopped, if they haven’t already.
Hopefully, that’s the end of this long saga.
Gilbert Sebenste
Meteorology Support Analyst
[cid:image001.png@01DB4B19.D81C23B0]
From: Stonie Cooper <cooper@xxxxxxxx>
Sent: Tuesday, December 10, 2024 11:08 AM
To: Sebenste, Gilbert <sebensteg@xxxxxxx>
Cc: Gilbert Sebenste <gilbert@xxxxxxxxxxxxxxxx>; Pete Pokrandt via ldm-users
<ldm-users@xxxxxxxxxxxxxxxx>; NOAAPORT <noaaport@xxxxxxxxxxxxxxxx>
Subject: Re: [ldm-users] [External] Re: GOES-16 missing tiles, and packets
arriving out of sequence
Gilbert - looks good so far (frames out of sequence would show as missing
frames as the count would jump):
Ground Station #1, reset yesterday after talking to NOAA
PID TotalFrames MissingFrames TotalProducts MissingProducts
Retransmits
NMC 13084773 0 2165069 0
26055
NMC2 37472243 0 1714826 0
11434
NOPT 1061621 0 793799 0
3820
NPP 1351354 0 4895 0
36
ADD 10659491 0 71005 0
0
EXP 9885367 0 43946 0
0
GRW 9406073 0 129225 0
0
GRE 9914814 0 128195 0
0
NWWS 87187 0 29572 0
0
Prague
Ground Station #2, reset yesterday after talking to NOAA
PID TotalFrames MissingFrames TotalProducts MissingProducts
Retransmits
NMC 13073381 0 2162899 0
26054
NMC2 37418946 0 1700736 0
11434
NOPT 1060838 0 793016 0
3820
NPP 1345224 0 4889 0
34
ADD 10659484 5 71003 0
0
EXP 9866764 0 43910 0
0
GRW 9386903 0 129093 0
0
GRE 9887961 0 128055 0
0
NWWS 87080 0 29554 0
0
Stonie Cooper, PhD
Software Engineer III
NSF Unidata Program Center
University Corporation for Atmospheric Research
I acknowledge that the land I live and work on is the traditional home of The
Chahiksichahiks (Pawnee), The Umoⁿhoⁿ (Omaha), and The Jiwere (Otoe).
"There are decades where nothing happens; and there are weeks where decades
happen"
On Tue, Dec 10, 2024 at 11:04 AM Sebenste, Gilbert
<sebensteg@xxxxxxx<mailto:sebensteg@xxxxxxx>> wrote:
A follow-up to this. The duplicate product count is due to “keep alive”
messages being sent across numerous NWS interfaces. This has or will be taken
care of. Otherwise,
I haven’t lost any packets, nor do any appear out of order now. Stonie, can you
verify this on your end?
Gilbert Sebenste
Meteorology Support Analyst
[cid:image001.png@01DB4B19.D81C23B0]
From: Gilbert Sebenste
<gilbert@xxxxxxxxxxxxxxxx<mailto:gilbert@xxxxxxxxxxxxxxxx>>
Sent: Monday, December 9, 2024 5:47 PM
To: Sebenste, Gilbert <sebensteg@xxxxxxx<mailto:sebensteg@xxxxxxx>>
Cc: NOAAPORT <noaaport@xxxxxxxxxxxxxxxx<mailto:noaaport@xxxxxxxxxxxxxxxx>>;
Pete Pokrandt via ldm-users
<ldm-users@xxxxxxxxxxxxxxxx<mailto:ldm-users@xxxxxxxxxxxxxxxx>>
Subject: [External] Re: [ldm-users] GOES-16 missing tiles, and packets arriving
out of sequence
CAUTION: This email originated from outside of COD’s system. Do not click
links, open attachments, or respond with sensitive information unless you
recognize the sender and know the content is safe.
Follow-up: They switched to the BNCF at 14:15Z this morning. I i'm not seeing
missing satellite images, but I am seeing a huge number of re-transmits and
duplicates that the LDM is rejecting at AllisonHouse and COD. A contact I have
at NCF emailed me to check on it, and I have given him log samples so he can
see what's going on.
Gilbert
On Dec 9, 2024, at 4:11 PM, Sebenste, Gilbert
<sebensteg@xxxxxxx<mailto:sebensteg@xxxxxxx>> wrote:
Good day everyone,
I am going to try to kill two birds with one stone here.
1. The GOES-16 missing tiles issue has been resolved when SBN/NOAAport is
sending their uplink via the ANCF and primary uplink. This problem was due to
multiple
issues, but they have gotten them taken care of on the NESDIS side of things.
They had a nagging problem with channel 10, but that has been resolved (they
had an issue at 14:10 with
a missing tile this morning, but NOAAport was down for 5 minutes while they
made expected changes to the SBN this morning, and all channels had a glitch at
that time).
2. Additionally, the out-of-sequence packet issue when they are on the ANCF has
been resolved, and was determined to be an NCF issue.
But…
When they are on the BNCF, and transmitting from their alternate uplink site,
they still experience out-of-sequence packets, numerous missing products
that have to be resent (we see a LOT of duplicate products here at COD when
they are on the BNCF), missing satellite tiles…and even missing satellite
images.
NCF is aware of the situation. Last week they switched to the BNCF for 3 hours,
and the problems were still there, so they switched back to the primary. They
are working on it.
Gilbert Sebenste
Meteorology Support Analyst
<image001.png>
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