netcdf classic (CDF-1) {
dimensions:
	x_pixel = 808 ;
	y_pixel = 1216 ;
	Times = 3 ;
	Camera_numbers = 1 ;
// global attributes:
		:author = "Christopher Geach" ;
		:category = "Long-duration balloon" ;
		:data_source = "PMC-Turbo cameras" ;
		:min_altitude = "83.00" ;
		:max_altitude = "83.00" ;
		:min_latitude = "66.5" ;
		:max_latitude = "66.5" ;
		:min_longitude = "-96.8" ;
		:max_longitude = "-96.7" ;
		:start_datetime = "2018-07-13T13:22:00" ;
		:stop_datetime = "2018-07-13T13:26:00" ;
		:mission = "PMC-Turbo" ;
		:title = "CCD image data" ;
		:institution = "GATS, Inc. Boulder, Colorado, USA" ;
		:date_last_revised = "2020-04-24" ;
		:comment = "Supplement for Fritts et al., Mesospheric Bore Evolution and Instability Dynamics Observed in PMC Turbo Imaging and Rayleigh Lidar Profiling over Northeastern Canada on 13 July 2018, submitted to JGR in Nov 2019" ;
		:summary = "PMC-Turbo image, flatfielded, with 10-minute moving window subtracted. Downsampled with 4x4 pixel binning" ;
variables:
	short Imgs(x_pixel, y_pixel, Times, Camera_numbers) ;
		Imgs:units = "Uncalibrated brightness units" ;
		Imgs:long_name = "Imgs" ;
	float Time(Times) ;
		Time:units = "seconds since 1970-01-01 00:00:00" ;
		Time:long_name = "Timestamp" ;
	float Azimuth(Times) ;
		Azimuth:units = "radians CW from north (as viewed from above)" ;
		Azimuth:long_name = "Azimuth" ;
	float Exposure(Times, Camera_numbers) ;
		Exposure:units = "microseconds" ;
		Exposure:long_name = "Exposure time" ;
	float Camera_numbers(Camera_numbers) ;
		Camera_numbers:units = "Cameras numbered 1 to 3 right-to-left (narrow FOV)and 4 to 7 left-to-right (wide FOV). See Fritts 2019overview paper for more details" ;
		Camera_numbers:long_name = "Camera_numbers" ;
// Camera_numbers: first 5.0, last 5.0, count 1
}