AUTHOR(S): 
Rigel Kivi (FMI), Esko Kyro (FMI)
Finnish Meteorological Institute,
Arctic Research Centre
T„htel„ntie 62
99600 Sodankyla, Finland
Tel.:+358 16 619 624
Fax: +358 16 619 623
e-mail: rigel.kivi@fmi.fi; esko.kyro@fmi.fi

1.0 DATA SET OVERVIEW: 
DATA COVERAGE: 20010701-20010930
Station  :      Sodankyla
WMO Number:     02836 
Location :      67.37 N  26.63 E       179 m/MSL
Sounding type : PTU Loran-C
Data of the Finnish Meteorological Institute,
Rigel Kivi (FMI), Esko Kyro (FMI),
e-mail: rigel.kivi@fmi.fi, esko.kyro@fmi.fi

2.0 INSTRUMENT AND DATA DESCRIPTION: 
Radiosonde Type:  RS90-AL 
Windfinding Equipment:  Loran-C 
Ground Equipment:  Vaisala DigiCORA 
Rawinsonde Station Data Collection How many routine observations per day?:  two 
Routine release times (UTC):  00 UT and 12 UT 
Rawinsonde data with 2 second time resolution, presented in ASCII format.
Time (yyyymmddhhmmss), Pressure(hPa), Altitude (m),
Temperature (deg C), Relative humidity (%),
Wind direction (deg), Wind speed (m/s)

File Naming Convention:

0107011132E.dat
yymmddhhmm