Prime Keys are:
	Obsrv_Time
	SiteCode
DB Index Keys are same as Prime Keys
All Keywords for series sha.GONGvel:
	Obsrv_Time	(time)	Time of observation
	SiteCode  	(string)	GONG site code: LE, UD, TD, CT, BB, ML, or TC
	Atmos_Humidity	(float)	Relative humidity (outside)
	Atmos_Pressure	(float)	Barometric pressure
	Atmos_Temp	(float)	Air temperature (outside)
	Atmos_WindDir	(float)	Wind direction (azimuth)
	Atmos_WindSpeed	(float)	Wind speed
	Carr_PosAngle	(float)	position angle of Carrington north on image (west of north)
	Commentary	(string)	Comments
	DataType  	(string)	GONG datatypw code: I, V, B, or M
	FITS_History	(string)	FITS image history
	GRASP_History	(string)	GRASP image processing history
	Img_Scale_X	(float)	image scale in the X direction (along rows)
	Img_Scale_Y	(float)	image scale in the Y direction (along columns)
	Obsrvr_Dist_HC	(double)	Heliocentric radial distance of observer
	Obsrvr_Elev_MSL	(float)	Elevation of observer w.r.t. MSL
	Obsrvr_Lat_Geo	(double)	Geographic latitude of observer
	Obsrvr_Lat_HG	(float)	Heliographic latitude of observer
	Obsrvr_Lon_Geo	(double)	Geographic longitude of observer
	Obsrvr_Lon_HG	(double)	Heliographic longitude of observer
	Obsrvr_Vel_R_HC	(double)	Heliocentric radial velocity of observer
	Sun_Declination	(double)	Declination of Sun
	Sun_HourAngle	(float)	Hour Angle of Sun
	Sun_RightAscen	(double)	Right Ascension of Sun
	Sun_SemiDiamApp	(float)	Apparent Semidiameter of Sun
	Sun_ZenithAngle	(double)	Zenith Angle of Sun
	ImgEll_SemiMaj	(float)	Semimajor axis of image ellipse
	ImgEll_SemiMin	(float)	Semiminor axis of image ellipse
Segments for series sha.GONGvel:
	image     	m/s scaled	    bin	860x860	no comment