Prime Keys are:
	DOPID
DB Index Keys are:
	DOPID
All Keywords for series mdi.caltables_doppler:
	DOPID     	(string)	dopplergram calibration table identifier
	INSTRUME  	(string)	Instrument
	ORIGIN    	(string)	Organization that created FITS file
	TELESCOP  	(string)	Observatory; SOHO
Segments for series mdi.caltables_doppler:
	data0     	    bin	generic	MDI calibration tables for dopplergrams
	data1     	    bin	generic	MDI calibration tables for dopplergrams
	data2     	    bin	generic	MDI calibration tables for dopplergrams
	data3     	    bin	generic	MDI calibration tables for dopplergrams
	data4     	    bin	generic	MDI calibration tables for dopplergrams
	data5     	    bin	generic	MDI calibration tables for dopplergrams