Dr. Fred C. Bosveld
Royal Netherlands Meteorlogical Institute
3730AE, De Bilt
tel. +31 (0)30 2206911 (787)
fax +31 (0)30 2210407
1.0 DATA SET OVERVIEW
Contains the high resolution radiosonde observations for De Bilt The Netherlands(WMOcode:06260 De Bilt lat(N): 52.10 lon(E): 5.18 alt(msl): 4m) . De Bilt is located 25 km North East of the BALTEX anchor station Cabauw. The tar file will expand after untar in <yyyymmdd>_rsonde.dat files containing for each day the radiosonde data. The files are in ASCII (NASA Ames format).
2.0 INSTRUMENTATION DESCRIPTION:
The radiosonde is of type Vaisala RS90-Loran C. The files contain operational ascents at 10 sec. resolution. Quantities archived are: pressure (hPa), geopotential height (m), temperature (C), dew point temperature (C), relative humidity (%), wind speed (m/s) and wind direction (degrees).
3.0 DATA COLLECTION AND PROCESSING:
Radiosondes are launched in principle two times a day (12 and 24 h UTC).
4.0 QUALITY CONTROL PROCEDURES
5.0 GAP FILLING PROCEDURES
6.0 DATA REMARKS:
In the month 2002-10 and 2002-11 days are missing.
7.0 REFERENCE REQUIREMENTS:
Users of the data are required to follow the CEOP data policy. Above this users of this data are kindly requested to acknowledge:
"The Royal Netherlands Meteorological Institute"
in any publication in which the data are used. Questions about the data can be directed to the e-mail adress given above. The user is kindly asked to communicate any problem in the data set to the e-mail adress given below. Users are also kindly asked to send a copy of any publication in which the data are used to the adress given above.