NEC CARD FORMATS

	Cards for NEC input must be in the correct format for input
to be correct. The following shows the format for each card, in
abbreviated form. See the ASCII version of NECCARD for complete
information, or the referenced documents.

	The format is two letters designating card type, then data
fields separated by commas. The fields present are designated as
A=ASCII, B=blank, I=Integer, F=Floating point. The floating point
fields must include a decimal point. 

		DATA CARDS						
GA,I,I,D,D,D,D			WIRE ARC
GC,B,B,D,D,D			WIRE, D7 OF GW=0
GF,I					READ NGF FILE
GE,I					END GEOMETRY
GH,I,I,D,D,D,D,D,D,D	HELIX
GM,I,I,D,D,D,D,D,D,D	COORDINATE TRANSFORM
GP					SUPPRESS GEOMETRY PRINT
GR,I,I				GENERATE CYLINDER
GS					SCALE STRUCTURE
GW,I,I,D,D,D,D,D,D,D	WIRE (IF D7=0, SEE GC)
GX,I,I				SYMMETRY
SP,B,I,D,D,D,D,D,D		SURFACE PATCH, (+ SC IF I1=1,2 OR 3) 
SC,B,I,D,D,D,D,D,D	     PATCH CONTINUE, I2 OF SP=1,2 OR 3
SM,I,I,D,D,D,D,D,D		MULTIPLE PATCHES, ALWAYS + SC
SC,B,B,D,D,D			PATCH CONTINUE

		PROGRAM CONTROL CARDS
CP,I,I,I,I			MAX COUPLING
EK,I					EXTENDED KERNEL
EN					END RUN
EX,I,I,I,I,D,D,D,D,D,D   EXCITATION
FR,I,I,B,B,D,D			FREQUENCY
GD,B,B,B,B,D,D,D,D		FAR GROUND
GN,I,I,B,B,D,D			NEAR GROUND
KH,B,B,B,B,D			INTERACT RANGE
LD,I,I,I,I,D,D,D		LOADING
NE,I,I,I,I,D,D,D,D,D,D   NEAR ELECTRIC FIELD
NH,I,I,I,I,D,D,D,D,D,D   NEAR MAGNETIC FIELD
NT,I,I,I,I,D,D,D,D,D,D   NEWORK
NX					NEXT STRUCTURE
PL,I,I,I,I			STORE PLOT DATA
PQ,I,I,I,I			PRINT CHARGE
PT,I,I,I,I			PRINT CURRENT
RP,I,I,I,I,D,D,D,D,D,D	SET PATTERN
TL,I,I,I,I,D,D,D,D,D,D	TRANSMISSION LINE
WG					WRITE NGF FILE
EQ,I					EXECUTE