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20000427: Duplicate obs


Art,
Peter Neilley had an exchange with Chris Vandersip a few weeks back
dealing with duplication in the "weather" program. The suggestion was to
use the DBFILEing with the program instead of storing the obs in a text file.
Chris's message is in the ldm-users support archive:
http://www.unidata.ucar.edu/glimpse/ldm-users-list/4123 and others

GEMPAK and MCIDAS generally use the duplicate report to check for missing or
corrected data without overwriting the complete observation with an
abbreviated report.

Steve Chiswell
Unidata User SUpport

On Thu, 27 Apr 2000, Arthur A. Person wrote:

> Hi...
> 
> One of our users has brought to my attention that some (a lot?) of
> observations are sent as many as three times in raw WMO format on the IDD
> feed.  Perhaps not a big deal, but it's annoying when fed through programs
> such as "weather" to see the same ob show up three times.  Also, some are
> incomplete.  E.g.  KBOS for 000425@0054Z comes in under SAUS31, SAUS41 and
> SAUS80, and the SAUS31 ob does not contain the remarks section.  On the
> other hand some obs come in only once under entirely different headers,
> e.g. KUNV under SAUS70.  Anyone know the rationale behind this and what an
> appropriate selection method might be to get only one observation for a
> station without potentially throwing out other stations that would appear 
> under different headers?
> 
>                                          Thanks.
> 
>                                            Art.
> Arthur A. Person
> Research Assistant, System Administrator
> Penn State Department of Meteorology
> email:  address@hidden, phone:  814-863-1563
> 
> 
>