ProfName.PAS - SPS-PC Line passport

1. Structure of SDS-3 Passport header

Offset (bytes)	Size	Format	Content
0	4	EBCDIC	NEWP
4	4	I4	Total Number of  blocks (200 bytes)
8	4	I4	Total Number of Sections
12	8	EBCDIC	Creation Date (dd.mm.yy)
20	8	EBCDIC	Last Call Date (dd.mm.yy)
28	4	EBCDIC	Section1 Name
32	2	I2	Section1 Size in blocks (size=value*200)
34	2	I2	Section1 Offset in blocks (offset=value*200)
36	4	EBCDIC	Section2 Name
40	2	I2	Section3 Size in blocks (size=value*200)
42	2	I2	Section4 Offset in blocks (offset=value*200)

Normal sequence of Sections:

ALOP CREG HSTP IDPR LNMG LQMG LXSP PR01 PR02 .... PRmn

SHPR SOP1 SOP2 .... SOPn SSP1 SSP2 .... SSPn TV01 TV02

TV03 .... TVnn ... XPVV, XYSP, XYOP

2. Additional information is in IDPR section:

Offset (bytes)	Size	Format	Content
152	4	I4	=QSP*4+4
156	4	I4	=QOP*2+4
166	2	I2	Number of Statics sections
174	2	I2	Time Divider
176	2	I2	Depth  Divider
178	2	I2	Distance  Divider
182	2	I2	Number of Velocity Sections
186	2	I2	Number of PROF Sections
188	4	I4	= QSP*QMG*2+4
192	4	I4	= QSP+4
196	4	I4	PROF value

1A. Structure of New SDS-3 Passport header (06.03.2015)

Offset (bytes)	Size	Format	Content
0	4	ASCII	NEW1
4	4	I4	Size of Passport in blocks (200 bytes)
8	4	I4	Total Number of Sections
12	8	ASCII	Creation Date (dd.mm.yy)
20	8	ASCII	"3-D PASS"
28	4	ASCII	Section1 Name
32	4	I4	Section1 Size in blocks (size=value*200)
36	4	I4	Section1 Offset in blocks (offset=value*200)
40	4	ASCII	Section2 Name
44	4	I4	Section3 Size in blocks (size=value*200)
48	4	I4	Section4 Offset in blocks (offset=value*200)

Normal sequence of Sections:

ALOP CREG HSTP IDPR LNMG LQMG LXSP PR01 PR02 .... PRmn

SHPR SOP1 SOP2 .... SOPn SSP1 SSP2 .... SSPn TV01 TV02

TV03 .... TVnn ... XPVV, XYSP, XYOP

2A. Additional information is in New IDPR section  (06.03.2015)

Offset (bytes)	Size	Format	Content
152	4	I4	=QSP*4+4
156	4	I4	=QOP*2+4
166	2	I2	Number of Statics sections
174	2	I2	Time Divider
176	2	I2	Depth  Divider
178	2	I2	Distance  Divider
182	2	I2	Number of Velocity Sections
186	2	I2	Number of PROF Sections
188	4	I4	= QSP*QMG*4+4
192	4	I4	= QSP+4
196	4	I4	PROF value

3.HEADWAVE and SPS-PC Section XPVV:

Word	Size	Format	Name	Content
1	4	I4	NP	Number of point
3	4	I4	NL	Number of layers
5	4	I4	X	Point coordinate
7	2	I2	H	Depth of layer 1 (m)
8	2	I2	T	Time of layer 1 (msec)
9	2	I2		Depth of layer 2 (m)
10	2	I2		Time of layer 2 (msec)
NL*2+5	2	I2		Depth of layer NL (m)
NL*2+6	2	I2		Time of layer NL (msec)
NL*2+7	4	I4		Next coordinate

              Size of section = NP*(NL+1)*4+8 bytes

4. SPS-PC Section XDIR:  Geophone Slalom Line.

Word	Size	Format	Content
1	4	I4	Number of branch points N
I*3-1	4	I4	Picket  of branch point
I*3	4	I4	X-coordinate of branch point (North)
I*3+1	4	I4	Y-coordinate of branch point  (East)

              Size of section = N*12+4 bytes

5.SPS-PC Section SDIR:  Shot point Slalom Line.

Word	Size	Format	Content
1	4	I4	Number of branch points N
I*4-2	4	I4	Picket  of branch point
I*4-1	4	I4	X-coordinate of branch point (North)
I*4	4	I4	Y-coordinate of branch point  (East)
I4+1	4	I4	Elevation (Z-coordinate)

              Size of section = N*16+4 bytes

6.SPS-PC Section PDIR: MDP points Slalom Line.

Word	Size	Format	Content
1	4	I4	Number of branch points N
I*3-1	4	I4	Picket  of branch point
I*3	4	I4	X-coordinate of branch point (North)
I*3+1	4	I4	Y-coordinate of branch point  (East)

              Size of section = N*12+4 bytes

7. SPS-PC 3-D sections XYSP and XYOP

This setcions are contained the 3-D coordinates of SP and OP

Word	Size	Format	Content
1	4	I4	Number  points N
I*3-1	4	I4	Location  of point
I*3	4	I4	X-coordinate of point (North)
I*3+1	4	I4	Y-coordinate of point  (East)

8. SPS-PC  sections SHSV

This sections are contained the 3-D coordinates of SP and OP

Word	Size	Format	Content
1	4	I4	Number  of MG
I*2	4	I4	Left MGF
I*2+1	4	I4	Right MGF

Size of section = NMG*8+4 bytes

9. SPS-PC sections AMP

This sections are contained residual dynamic corrections

Word	Size	Format	Content
1	4	I4	Number  of MG
2	4	I4	Number of Geophones
3	4	I4	Number of distances
4	4	R4 (NMG)	MG corrections in DB
4+NMG	4	R4 (NOP)	OP corrections in DB
4+NMG+NOP	4	R4 (LNLOSP)	OFFSET corrections in DB

Size of section = (NMG+NOP+NLOSP)*4+12 bytes

10. SPS-PC section XYDP

Word	Size	Format	Content
1	4	I4	Number  of bins
2	4	R4	InLine Bin size
3	4	R4	CrossLine Bin size
4	4	I4	First Inline bin number
5	4	I4	Last Inline bin number
6	4	I4	First Crossline bin number
7	4	I4	Last Crossline bin number
8	4	R4	Left bottom x
9	4	R4	Left bottom y
10	4	R4	Right bottom x
11	4	R4	Right bottom y
12	4	R4	Left top x
13	4	R4	Left top y
14	4	R4	Right top x
15	4	R4	Right top y

Size of section = 200 bytes

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