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To: Unidata Support <address@hidden>
From: Neil Smith <address@hidden>
Subject: dcacars decode problems
Date: Tue, 21 Jun 2005 17:55:41 -0500
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1st time for an ACARS ingest/decode and I'm not getting
anything decoded.
OS: FreeBSD 4.7
LDM: 6.0.14
GEMPAK: 5.6J
ldmd.conf:
request PCWS "^FSL\.CompressedNetCDF\.MADIS\.(acars)"
bigbird
pqact.conf:
PCWS ^FSL\.CompressedNetCDF\.MADIS\.acars\.
PIPE -close /unidata/nawips/bin/freebsd/dcgunzip
/unidata/nawips/bin/freebsd/dcacars -
v
-e GEMTBL=/unidata/nawips/gempak/tables
-l /unidata/ldm/logs/dcacars.log
data/gempak/acars/YYYYMMDDHHNN_acars.gem
typical dcacars.log entry:
Jun 21 22:42:17 dcacars[79350]: Starting up
Jun 21 22:42:18 dcacars[79350]: MADIS ACARS data
Jun 21 22:42:18 dcacars[79350]: No pressure variable, will calculate
Jun 21 22:42:18 dcacars[79350]: correctedWVMR not present
Jun 21 22:42:18 dcacars[79350]: could not get variable information
Jun 21 22:42:18 dcacars[79350]: could not decode data 0
Jun 21 22:42:18 dcacars[79350]: Exiting
ldmd.log entry;
Jun 21 17:42:17 coriolis /unidata/nawips/bin/freebsd/dcgunzip [79345]:
/unidata/nawips/bin/freebsd/dcacars -v -e
GEMTBL=/unidata/nawips/gempak/tables -l /unidata/ldm/logs/dcacars.log
data/gempak/acars/YYYYMMDDHHNN_acars.gem
I am having success in getting gunzip'd netcdf files with pqact.conf:
PCWS ^FSL\.CompressedNetCDF\.MADIS\.acars\.(.*)
PIPE -close /unidata/ldm/decoders/store_MADIS.sh
data/gempak/acars.nc/ \1
where the store_MADIS.sh looks like:
#!/bin/sh
STAMP=`date "+%S"`
gzip -d > $1/$$.$2; F=`echo $2 | cut -c1-13`; mv $1/$$.$2
$1/$F.$STAMP.nc
ncdump of the output file doesn't fail so I presume it's a valid
netcdf
file. Can
provide it as a sample if you wish. Running dcacars on command line on
this file
gives the same errors.
Any suggestions?
Thanks,
-Neil
------------------
Neil R. Smith address@hidden
Comp.Sys.Mngr. (979)845-6272
Dept. Atmospheric Sciences/Texas A&M University