nasa cdf (version 3) {
// global attributes:
		:Project = "THEMIS" ;
		:Source_name = "THG_L1>THEMIS Ground Based Observatory" ;
		:Discipline = "Space Physics>Magnetospheric Science" ;
		:Discipline = "Space Physics>Ionospheric Science" ;
		:Data_type = "ASF>All Sky Imager, Full resolution images, High resolution" ;
		:Descriptor = "FSIM>Fort Simpson Canada" ;
		:Data_version = "1" ;
		:PI_name = "V. Angelopoulos, S. Mende & E. Donovan" ;
		:PI_affiliation = "UCB & Univ of Calgary respectively, NASA NAS5-02099" ;
		:TEXT = "THEMIS Ground Based Observatory part of the THEMIS GBO effort" ;
		:Instrument_type = "Ground-Based VLF/ELF/ULF, Photometrics" ;
		:Mission_group = "THEMIS" ;
		:Logical_source = "thg_l1_asf_fsim" ;
		:Logical_file_id = "thg_l1_asf_fsim_2014120415_v01" ;
		:Logical_source_description = "Ground-based All Sky Imager, 3sec Level-1, THEMIS GBO network" ;
		:Time_resolution = "3s" ;
		:Rules_of_use = "Open Data for Scientific Use" ;
		:Generated_by = "Harald Frey" ;
		:Generation_date = "2006-10-24" ;
		:Acknowledgement = "NASA Contract NAS5-02099" ;
		:MODS = "Rev- 2006-10-24, Harald Frey" ;
		:ADID_ref = "NSSD0110" ;
		:LINK_TEXT = "http://sprg.ssl.berkeley.edu/themis" ;
		:LINK_TEXT = "http://aurora.phys.ucalgary.ca/themis" ;
		:LINK_TITLE = "THEMIS GBO portal" ;
		:LINK_TITLE = "THEMIS-Canada portal" ;
		:HTTP_LINK = "http://sprg.ssl.berkeley.edu/themis" ;
		:HTTP_LINK = "http://aurora.phys.ucalgary.ca/themis" ;
		:File_naming_convention = "source_datatype_descriptor" ;
// variable attributes, one line per entry (which variable each belongs to is not shown):
		CATDESC = "Images of 256x256 pixels" ;
		CATDESC = "Number of column (x-dim, Width) in image" ;
		CATDESC = "Number of row (y-dim, Height) in image" ;
		CATDESC = "thg_asf_fsim_time, UTC, in seconds since 01-Jan-1970 00:00:00" ;
		CATDESC = "thg_asf_fsim_tend, UTC, in seconds since 01-Jan-1970 00:00:00" ;
		CATDESC = "Epoch of start of image exposure" ;
		CATDESC = "EPOCH0 of THEMIS TIME BASE" ;
		CATDESC = "Epochs of first and last image in file" ;
		DEPEND_0 = "thg_asf_fsim_epoch" ;
		DEPEND_1 = "thg_asf_fsim_column" ;
		DEPEND_2 = "thg_asf_fsim_row" ;
		DICT_KEY = "number" ;
		DICT_KEY = "number" ;
		DISPLAY_TYPE = "image" ;
		FIELDNAM = "thg_asf_fsim" ;
		FIELDNAM = "thg_asf_fsim_column" ;
		FIELDNAM = "thg_asf_fsim_row" ;
		FIELDNAM = "thg_asf_fsim_time" ;
		FIELDNAM = "thg_asf_fsim_tend" ;
		FIELDNAM = "thg_asf_fsim_epoch" ;
		FIELDNAM = "thg_asf_fsim_epoch0" ;
		FIELDNAM = "range_epoch" ;
		FILLVAL = (8 numeric entries, not shown) ;
		FORMAT = "I5" ;
		FORMAT = "I5" ;
		FORMAT = "I5" ;
		FORMAT = "E12.2" ;
		FORMAT = "E12.2" ;
		LABLAXIS = "Width" ;
		LABLAXIS = "wpix#" ;
		LABLAXIS = "hpix#" ;
		LABLAXIS = "UT" ;
		LABLAXIS = "UT" ;
		LABLAXIS = "UT" ;
		LABLAXIS = "timebase" ;
		LABLAXIS = "UT" ;
		UNITS = "counts" ;
		UNITS = "wpix#" ;
		UNITS = "hpix#" ;
		UNITS = "sec" ;
		UNITS = "msec" ;
		UNITS = "msec" ;
		VALIDMIN = (8 numeric entries, not shown) ;
		VALIDMAX = (8 numeric entries, not shown) ;
		VAR_TYPE = "data" ;
		VAR_TYPE = "support_data" ;
		VAR_TYPE = "support_data" ;
		VAR_TYPE = "support_data" ;
		VAR_TYPE = "support_data" ;
		VAR_TYPE = "support_data" ;
		VAR_TYPE = "support_data" ;
		VAR_TYPE = "support_data" ;
		VAR_NOTES = "Unleaped seconds" ;
		VAR_NOTES = "Unleaped seconds, end time of integration" ;
		VAR_NOTES = "EPOCH of 01-Jan-1970 00:00:00" ;
		VIRTUAL = "TRUE" ;
		FUNCT = "comp_themis_epoch" ;
		COMPONENT_0 = "thg_asf_fsim_epoch0" ;
		COMPONENT_1 = "thg_asf_fsim_time" ;
		DEPEND_TIME = "thg_asf_fsim_time" ;
		DEPEND_EPOCH0 = "thg_asf_fsim_epoch0" ;
}