Prime Keys are:
	T_REC is slotted 'ts_eq' using T_REC_index
DB Index Keys are:
	T_REC_index
All Keywords for series mdi.vw_V_lev18:
	T_REC_step	(double)	T_REC step 
	T_REC_epoch	(time)	
	TELESCOP  	(string)	 
	INSTRUME  	(string)	 
	ORIGIN    	(string)	 
	CTYPE1    	(string)	 
	CUNIT1    	(string)	 
	CTYPE2    	(string)	 
	CUNIT2    	(string)	 
	R_SUN_REF 	(double)	 
	T_REC     	(time)	 
	CRPIX1    	(double)	 
	CRVAL1    	(double)	 
	CROTA1    	(double)	 
	CDELT1    	(double)	 
	XCEN      	(double)	 
	CRPIX2    	(double)	 
	CRVAL2    	(double)	 
	CROTA2    	(double)	 
	CDELT2    	(double)	 
	YCEN      	(double)	 
	T_OBS     	(time)	 
	DATE      	(string)	 
	DATE__OBS 	(string)	[DATE-OBS] 
	EXPTIME   	(double)	 
	MJD       	(double)	 
	TIME      	(double)	 
	DSUN_OBS  	(double)	 
	R_SUN     	(double)	 
	CRLN_OBS  	(double)	 
	CRLT_OBS  	(double)	 
	CAR_ROT   	(int)	 
	SAT_ROT   	(double)	 
	INST_ROT  	(double)	 
	X0        	(double)	 
	Y0        	(double)	 
	IM_SCALE  	(double)	 
	DATASIGN  	(short)	 
	OBS_VR    	(double)	 
	OBS_VW    	(double)	 
	OBS_VN    	(double)	 
	QUALITY   	(int)	 
	series_num	(int)	Identifies dataset.
	ds        	(int)	Identifies virtual dataset.
	rn        	(int)	Identifies record within dataset.
	DSNAME    	(string)	
	RUNTIME   	(time)	 
	XY_QUAL   	(int)	 
	EPH_QUAL  	(int)	 
	SOURCE    	(string)	 
	SRC_ADJ   	(string)	 
	CALTBLS   	(string)	 
	DPC       	(string)	 
	T_REF     	(time)	 
	DATAMIN   	(double)	 
	DATAMAX   	(double)	 
	DATARMS   	(double)	 
	DATAMEAN  	(double)	 
	DATAMEDN  	(double)	 
	DATASKEW  	(double)	 
	DATAKURT  	(double)	 
	DATAVALS  	(int)	 
	MISSVALS  	(int)	 
	MISSPKTS  	(int)	
	CMPERRS   	(int)	 
	SIZERRS   	(string)	
	TBLXYUPD  	(time)	 
Segments for series mdi.vw_V_lev18:
	data      	    m/s	    tas	192x192	6-hour cubes of vw_V