dimensions:
	nData = UNLIMITED ; // (2975819 currently)
	nEpochs = 2880 ;
	nSatellites = 35 ;
	nStations = 209 ;
	length = 8 ;
	length2 = 4 ;
	position = 3 ;
variables:
	short satList(nSatellites) ;
		satList:title = "Satellite ID list" ;
	char staList(nStations, length2) ;
		staList:title = "Station list" ;
	float satPosition(nEpochs, nSatellites, position) ;
		satPosition:units = "meters" ;
		satPosition:title = "Satellite positions at every epochs (x, y, z in WGS84)" ;
	float staPosition(nStations, position) ;
		staPosition:units = "degrees,degrees,meters" ;
		staPosition:title = "Station positions (longitude, latitude, altitude)" ;
	float TGD(nEpochs, nSatellites) ;
		TGD:title = "Satellite TGD at each epoch" ;
		TGD:units = "TECU" ;
	float sigmaTGD(nEpochs, nSatellites) ;
		sigmaTGD:title = "Satellite TGD RMSE at each epoch" ;
		sigmaTGD:units = "TECU" ;
	float IFB(nEpochs, nStations) ;
		IFB:title = "IFB of each station" ;
		IFB:units = "TECU" ;
	float sigmaIFB(nEpochs, nStations) ;
		sigmaIFB:title = "IFB RMSE of each station" ;
		sigmaIFB:units = "TECU" ;
	char epochData(nData, length) ;
		epochData:units = "hours:minutes:seconds" ;
		epochData:title = "Epoch of each observation" ;
	short satData(nData) ;
		satData:title = "Satellite ID of each observation" ;
	char staData(nData, length2) ;
		staData:title = "Station name of each observation" ;
	float lonData(nData) ;
		lonData:units = "degrees" ;
		lonData:title = "SIP longitude of each observation" ;
	float latData(nData) ;
		latData:units = "degrees" ;
		latData:title = "SIP latitude of each observation" ;
	float STECData(nData) ;
		STECData:units = "TECU" ;
		STECData:title = "STEC at subionospheric point for each observation" ;
	float fobData(nData) ;
		fobData:units = "none" ;
		fobData:title = "Obliquity factor for each observation" ;

// global attributes:
		:algorithm_version = "v1.0      " ;
		:reference_station = "wtzr" ;
		:ionosphere_altitude (m) = 350000.f ;