SHEF Sensors Table

Column	Type
S_ID	int(11) NULL
S_Group	int(11) NULL
S_PEDTSEP	varchar(10) NULL
S_Add	float NULL
S_Local_Dir	varchar(255) NULL
S_PcpRollOver	int(11) NULL
S_InUse	int(11) [1]

Table sontains a unique index on S_ID,S_Group