Prime Keys are:
	Site
	MonitorID
	UTC_StartTime
	StationID
DB Index Keys are:
	Site
	MonitorID
	UTC_StartTime
	UTC_EndTime
	StationID
All Keywords for series sid_awe.sid:
	MonitorID 	(string)	Unique SID Monitor ID
	Site      	(string)	SID site ID, e.g. WSO
	UTC_StartTime	(time)	Start time of SID archive file
	UTC_EndTime	(time)	End time of SID archive file
	Longitude 	(string)	Longitude of SID
	Latitude  	(string)	Latitude of SID
	Frequency 	(string)	Frequency monitored for this SID file
	StationID 	(string)	Broadcasting Station ID,e.g. NLK
	TimeZone  	(string)	Time Zone of SID
	UTC_Offset	(string)	Offset from UTC of SID
	SampleRate	(string)	Nbr samples per sec
	DataMin   	(string)	Minimum data value
	DataMax   	(string)	Maximum data value
	Comments  	(string)	Anything the user wants
Segments for series sid_awe.sid:
	file_seg  	    bin	generic	contents of the SID unit data file