Field Name	Field Type	Nullable	Indexed
type		int		no		no
esn		char (10)	no		yes
min		char (10)	no		yes
datetime	timestamp	no		yes
opc0		char (3)	no		no
opc1		char (3)	no		no
opc2		char (3)	no		no
dpc0		char (3)	no		no
dpc1		char (3)	no		no
dpc2		char (3)	no		no
npa		char (3)	no		no
nxx		char (3)	no		no
rest		char (4)	no		no
field0		int		yes		no
field1		char (4)	yes		no
field2		int		yes		no
field3		char (4)	yes		no
field4		int		yes		no
field5		char (4)	yes		no
field6		int		yes		no
field7		char (4)	yes		no
field8		int		yes		no
field9		char (4)	yes		no