Re: [ldm-users] 20090701: Hmmm...NGRID with no WMO headers?

On Wed, 2009-07-01 at 11:34 -0600, Tom Yoksas wrote:

> Hi  Gilbert,
> 
> re:
> >On my raw NOAAport feed off my satellite dish, I am seeing NGRID data
> >with no headers other than a "1". Is anyone else seeing this? See below.
> 
> We are seeing the same thing here at the UPC.  Investigation is now
> underway...
> 
> >*******************************************************************************
> >Jul 01 15:32:00 pqutil INFO:    13750 20090701153159.982   NGRID 1206  1
> >Jul 01 15:32:00 pqutil INFO:    13309 20090701153159.985   NGRID 1207  1
> >Jul 01 15:32:00 pqutil INFO:    15734 20090701153159.992   NGRID 1208  1
> >Jul 01 15:32:00 pqutil INFO:    13294 20090701153159.996   NGRID 1209  1
> >Jul 01 15:32:00 pqutil INFO:    16075 20090701153159.999   NGRID 1210  1
> >Jul 01 15:32:00 pqutil INFO:    11891 20090701153200.003   NGRID 1211  1
> >Jul 01 15:32:00 pqutil INFO:     4603 20090701153200.006   NGRID 1212  1
> >Jul 01 15:32:00 pqutil INFO:     4400 20090701153200.010   NGRID 1213  1
> >Jul 01 15:32:00 pqutil INFO:     4270 20090701153200.013   NGRID 1214  1
> >Jul 01 15:32:00 pqutil INFO:     4217 20090701153200.017   NGRID 1215  1
> >Jul 01 15:32:00 pqutil INFO:     4198 20090701153200.021   NGRID 1216  1
> >Jul 01 15:32:00 pqutil INFO:     4614 20090701153200.025   NGRID 1217  1
> >Jul 01 15:32:00 pqutil INFO:    17068 20090701153200.030   NGRID 1218  1
> >Jul 01 15:32:00 pqutil INFO:     4487 20090701153200.034   NGRID 1219  1
> >Jul 01 15:32:00 pqutil INFO:     4394 20090701153200.037   NGRID 1220  1
> >Jul 01 15:32:00 pqutil INFO:     4666 20090701153200.041   NGRID 1221  1
> >Jul 01 15:32:00 pqutil INFO:     4722 20090701153200.044   NGRID 1222  1
> >Jul 01 15:32:00 pqutil INFO:     4819 20090701153200.048   NGRID 1223  1
> >Jul 01 15:32:00 pqutil INFO:     4578 20090701153200.051   NGRID 1224  1
> >Jul 01 15:32:00 pqutil INFO:     4834 20090701153200.055   NGRID 1225  1
> >Jul 01 15:32:00 pqutil INFO:     4309 20090701153200.058   NGRID 1226  1
> >Jul 01 15:32:00 pqutil INFO:     4756 20090701153200.062   NGRID 1227  1
> 


The header on the NOAAPORT CCB has changed from 0x400c to 0x3100 with no
other changes.   So rather than skipping over the CCB, my ingestors (as
do others) think the CCB is the WMO header.  The 0x31 turns into the
number "1".  Everything else is fine... just those two bytes are
wrong.   



________________________________________________________________________

Daniel Vietor
Mail: devo@xxxxxxxxxxxxx
Unisys Corp
Title: Engineer/Meteorologist
2476 Swedesford Rd 
Phone: 610-648-3623
Malvern PA 19355
Fax: 610-695-5524
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