-----------------------------------------------------------------------------
The call info headings (columns X, Y, Z, AB, AC, CM in the spreadsheet) are:

Abbreviation	PossibleValues		Meaning
-----------------------------------------------------------------------------
SesnNum		count			the order of the call (determined
					by date and time of the call)

ScenNum		1-6, XX (also see	the hypothetical trip that was
		scenario_list.txt)	assigned to the subject to plan.
					XX indicates the subject planned a
					real trip

AssignedSite	1,2,3,4,5,6,8,9		the site the subject was assigned to

Code		see code_list.txt

CallKey		PPPPP_YYYYMMDD_HHMMSS	identify the call

SurveyKey	PPPPP_YYYYMMDD_HHMMSS	identify the survey (matched with the
					corresponding CallKey)
-----------------------------------------------------------------------------
<end of file>