nasa cdf (version 3) {
// global attributes:
		:TITLE = "The Definitive Polar Cap North index (PCNd index) based on the geomagnetic observatory Qaanaaq (IAGA-code: THL)." ;
		:HEADER = " Format                 IAGA-2002                                   |" ;
		:HEADER = " Source of Data         DTU                                         |" ;
		:HEADER = " Station Name           Polar Cap North (PCN) index (from THL obs.) |" ;
		:HEADER = " IAGA Code              PCN                                         |" ;
		:HEADER = " Geodetic Latitude      77.467                                      |" ;
		:HEADER = " Geodetic Longitude     290.767                                     |" ;
		:HEADER = " Data Interval Type     1-min                                       |" ;
		:HEADER = " Data type              Provisional                                 |" ;
		:HEADER = " # Missing values are indicated by value 99999.00                   |" ;
		:HEADER = " # PCN: Polar Cap index North, unit 1 mV/m                          |" ;
		:HEADER = " # License: CC BY https://creativecommons.org/licenses/by/4.0/      |" ;
// variable attributes, one line per entry (which variable each belongs to is not shown):
		FIELDNAME = "Time" ;
		FIELDNAME = "PCN index (definitive)" ;
		UNITS = "MJD2000" ;
		UNITS = "mV/m" ;
		FORMAT = "F14.8" ;
		FORMAT = "F3.2" ;
}