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TSCe Survey Controller


DC v10.0 File Record Definitions

This page defines the records that may occur in the DC10 file format.


00 - HEADER See note

Position Length Data format Description of field
1 2 Type code Record type code = 00
3 2 Derivation Derivation code
5 16 Text 16 Version number "SC V10" See note
21 4 Integer 4 Serial number See note
25 16 Text 16 Date/time of file creation See note
41 1 Angle units Units of angle fields within file
42 1 Distance units Units of distance fields within file
43 1 Pressure units Units of pressure fields within file
44 1 Temperature unit Units of temperature fields within file
45 1 Coordinate order Order of map grid coordinates within file
46 1 Angle direction Direction of angles within file See note


02 - STATION See note

Position Length Data format Description of field
1 2 Type code Record type code = 02
3 2 Derivation Derivation code
5 16 Name Station point name
21 16 Distance (Northing - unused, set to null)
37 16 Distance (Easting - unused, set to null)
53 16 Distance (Elevation - unused, set to null)
69 16 Distance Theodolite Height
85 16 Text 16 (Station description - unused, set to spaces)


04 - COLLIMATION

Position Length Data format Description of field
1 2 Type code Record type code = 04
3 2 Derivation Derivation code
5 16 Angle Vertical Collimation
21 16 Angle Horizontal Collimation


07 - BACKBEARING See note

Position Length Data format Description of field
1 2 Type code Record type code = 07
3 2 Derivation Derivation code
5 16 Name Station Name
21 16 Name Back Sight Name
37 16 Azimuth Azimuth (Only if keyed in, otherwise null) See note
53 16 Angle Horizontal Circle Reading See note


10 - JOB

Position Length Data format Description of field
1 2 Type code Record type code = 10
3 2 Derivation Derivation code
5 16 Text 16 Job name See note
21 1 Point name size Unused (SDR33 Handheld only)
22 1 Include elevation Unused See note
23 1 Atmos correction Atmospheric corrections applied See note
24 1 C & R Correction Curvature & refraction corrections applied See note
25 1 Refraction constant Refraction constant used for corrections
26 1 Sea level reductions Heights reduced to SL (never)


13 - NOTE See note

Position Length Data format Description of field
1 2 Type code Record type code = 13
3 2 Derivation Derivation code
5 60 Text 60 Note entered by user or created by program See note


28 - ROAD: NAME (Road header) See note

Position Length Data format Description of field
1 2 Type code Record type code = 28
3 2 Derivation Derivation code See note
5 16 Name Road name
21 1 Unknown Point ID type


29 - ROAD: HORIZONTAL ALIGN (Horizontal Header) See note

Position Length Data format Description of field
1 2 Type code Record type code = 29
3 2 Derivation Derivation code See note
5 16 Distance Start station
21 16 Azimuth Start azimuth (from 0 deg) See note
37 16 Distance Start northing
53 16 Distance Start easting


30 - ROAD: HORIZONTAL POINT See note

Position Length Data format Description of field
1 2 Type code Record type code = 30
3 2 Derivation Derivation code See note
5 16 Distance Northing
21 16 Distance Easting


31 - ROAD: HORIZONTAL STRAIGHT See note

Position Length Data format Description of field
1 2 Type code Record type code = 31
3 2 Derivation Derivation code See note
5 16 Azimuth Azimuth (from 0 deg) See note
21 16 +Distance Distance


32 - ROAD: HORIZONTAL ARC (Radius/Length) See note

Position Length Data format Description of field
1 2 Type code Record type code = 32
3 2 Derivation Derivation code See note
5 16 +Distance Arc length (along centerline)
21 16 Distance Radius See note


33 - ROAD: HORIZONTAL SPIRAL See note

Position Length Data format Description of field
1 2 Type code Record type code = 33
3 2 Derivation Derivation code See note
5 16 +Distance Spiral length (along centerline)
21 16 Distance Radius See note


34 - ROAD: VERTICAL ALIGN (Vertical Header)

Position Length Data format Description of field
1 2 Type code Record type code = 34
3 2 Derivation Derivation code See note
5 16 Distance Start station
21 16 Distance Start elevation


35 - ROAD: VERTICAL CIRCULAR (Vertical Arc)

Position Length Data format Description of field
1 2 Type code Record type code = 35
3 2 Derivation Derivation code See note
5 16 Distance Station of intersection
21 16 Distance Elevation of intersection
37 16 +Distance Radius


36 - ROAD: VERTICAL PARABOLIC

Position Length Data format Description of field
1 2 Type code Record type code = 36
3 2 Derivation Derivation code See note
5 16 Distance Station of intersection
21 16 Distance Elevation of intersection
37 16 +Distance Length


37 - ROAD: VERTICAL POINT

Position Length Data format Description of field
1 2 Type code Record type code = 37
3 2 Derivation Derivation code See note
5 16 Distance Station
21 16 Distance Elevation


39 - ROAD: TEMPLATE (Template Header)

Position Length Data format Description of field
1 2 Type code Record type code = 39
3 2 Derivation Derivation code See note
5 16 Text 16 Template name
21 Error 2042 Unknown Point ID type See note


44 - ROAD: APPLY SUPER-ELEVATION

Position Length Data format Description of field
1 2 Type code Record type code = 44
3 2 Derivation Derivation code See note
5 16 Distance Chainage
21 17 New Grade Left super
38 17 New Grade Right super
55 16 +Distance Left widen
71 16 +Distance Right widen
87 1 Pivot option Pivot


45 - ROAD: DEFINE SUPER-ELEVATION

Position Length Data format Description of field
1 2 Type code Record type code = 45
3 2 Derivation Derivation code See note
5 16 Distance Start chainage
21 16 Distance End chainage


46 - ROAD: TEMPLATE ELEMENT (Template Distance/Grade)

Position Length Data format Description of field
1 2 Type code Record type code = 46
3 2 Derivation Derivation code See note
5 17 New Grade Grade
22 16 +Distance Horizontal distance
38 16 Distance Vertical distance
54 16 +Distance Offset
70 16 Distance Height difference
86 1 Apply super option Apply superelevation
87 1 Apply widening option Apply widening
88 16 Text 16 Feature code


49 - DATUM See note

Position Length Data format Description of field
1 2 Type code Record type code = 49
3 2 Derivation Derivation code
5 1 Datum type Type of datum adjustment used
6 16 Distance WGS84 ellipsoid radius
22 16 Scale factor WGS84 ellipsoid flattening (inverse)
38 16 Angle Rotation X
54 16 Angle Rotation Y
70 16 Angle Rotation Z
86 16 Distance Translation X
102 16 Distance Translation Y
118 16 Distance Translation Z
134 16 Scale PPM Scale factor


50 - HORIZONTAL ADJUST See note

Position Length Data format Description of field
1 2 Type code Record type code = 50
3 2 Derivation Derivation code
5 16 Distance Origin north
21 16 Distance Origin east
37 16 Distance Translation north
53 16 Distance Translation east
69 16 Rotation Angle Rotation about origin
85 16 Scale factor Scale factor


56 - SURVEY

Position Length Data format Description of field
1 2 Type code Record type code = 56
3 2 Derivation Derivation code
5 2 Integer 2 Elevation mask (degrees)
7 16 Scalar PDOP mask


57 - GPS ANTENNA HEIGHT See note

Position Length Data format Description of field
1 2 Type code Record type code = 57
3 2 Derivation Derivation code See note
5 16 Distance Antenna height See note
21 1 Antenna method Measurement method


59 - QUALITY CONTROL 2 See note

Position Length Data format Description of field
1 2 Type code Record type code = 59
3 2 Derivation Derivation code
5 2 Integer 2 Minimum number of satellites
7 16 Scalar Error scale
23 16 Scalar VCV xx
39 16 Scalar VCV xy
55 16 Scalar VCV xz
71 16 Scalar VCV yy
87 16 Scalar VCV yz
103 16 Scalar VCV zz


60 - QUALITY CONTROL 3 See note

Position Length Data format Description of field
1 2 Type code Record type code = 60
3 2 Derivation Derivation code
5 16 Distance Sigma north
21 16 Distance Sigma east
37 16 Distance Sigma up
53 16 Scalar Covariance east-north
69 16 Distance Semi major axis
85 16 Distance Semi minor axis
101 16 Angle Orientation
117 16 Scalar Unit variance


61 - EQUIPMENT See note

Position Length Data format Description of field
1 2 Type code Record type code = 61
3 2 Derivation Derivation code See note
5 8 Text 8 Receiver type
13 8 Text 8 Receiver serial number
21 2 Integer 2 Antenna number
23 1 Integer 1 Antenna index (measurement method) See note
24 30 Text 30 Antenna type
54 8 Text 8 Antenna serial number
62 16 Distance Tape adjustment
78 16 Distance Horizontal offset
94 16 Distance Vertical offset


64 - PROJECTION

Position Length Data format Description of field
1 2 Type code Record type code = 64
3 2 Derivation Derivation code
5 1 Projection Type of projection
6 16 Latitude Latitude
22 16 Longitude Longitude
38 16 Distance Origin height
54 16 Distance Origin north
70 16 Distance Origin east
86 16 Distance Origin elevation
102 16 Scale factor Scale factor
118 16 Angle Orientation 1 (skew/parallel 1)
134 16 Angle Orientation 2 (parallel 2)


65 - LOCAL ELLIPSOID

Position Length Data format Description of field
1 2 Type code Record type code = 65
3 2 Derivation Derivation code
5 16 Distance Local ellipsoid earth radius
21 16 Scalar Local ellipsoid flattening (inverse) See note


66 - GPS POSITION

Position Length Data format Description of field
1 2 Type code Record type code = 66
3 2 Derivation Derivation code
5 16 Name Point name
21 16 Latitude Latitude
37 16 Longitude Longitude
53 16 Distance WGS84 ellipsoidal height at APC See note
69 16 Text 16 Feature code
85 1 GPS Method Measurement method
86 1 Classification Classification of the point See note
87 16 Distance Horizontal precision
103 16 Distance Vertical precision


67 - GPS VECTOR See note

Position Length Data format Description of field
1 2 Type code Record type code = 67
3 2 Derivation Derivation code
5 16 Name Point name
21 16 Distance Delta X
37 16 Distance Delta Y
53 16 Distance Delta Z
69 16 Text 16 Feature code
85 1 GPS Method Measurement method
86 1 Classification Classification of the point See note
87 16 Distance Horizontal precision
103 16 Distance Vertical precision


68 - LOCAL POSITION

Position Length Data format Description of field
1 2 Type code Record type code = 68
3 2 Derivation Derivation code
5 16 Name Point name
21 16 Latitude Latitude
37 16 Longitude Longitude
53 16 Distance Local ellipsoidal height
69 16 Text 16 Feature code
85 1 GPS Method Measurement method
86 1 Classification Classification of the point See note


69 - GRID POSITION

Position Length Data format Description of field
1 2 Type code Record type code = 69
3 2 Derivation Derivation code
5 16 Name Point name
21 16 Distance Northing
37 16 Distance Easting
53 16 Distance Elevation
69 16 Text 16 Feature code
85 1 GPS Method Measurement method
86 1 Classification Classification of the point See note


70 - GROUND VECTOR

Position Length Data format Description of field
1 2 Type code Record type code = 70
3 2 Derivation Derivation code
5 16 Name Point name
21 16 Name Reference point name
37 16 Azimuth Azimuth (from zero degrees grid) See note
53 16 +Distance Ground distance See note
69 16 Distance Vertical distance
85 16 Text 16 Feature code
101 1 GPS Method Measurement method
102 1 Classification Classification of the point See note


71 - INITIALIZATION

Position Length Data format Description of field
1 2 Type code Record type code = 71
3 2 Derivation Derivation code
5 1 Initialisation Event Initialisation event
6 4 Integer 4 GPS Week
10 16 Scalar GPS time in seconds to 3dp
26 1 Initialisation type Initialisation type
27 1 Survey Type Survey type
28 4 Integer 4 Initialisation counter
32 16 Name Point name
48 16 Azimuth Azimuth
64 16 +Distance Plate horizontal distance
80 16 Distance Plate vertical distance


72 - POST PROCESS

Position Length Data format Description of field
1 2 Type code Record type code = 72
3 2 Derivation Derivation code
5 8 Text 8 Data file name See note


73 - RTK REFERENCE

Position Length Data format Description of field
1 2 Type code Record type code = 73
3 2 Derivation Derivation code
5 16 Name Reference point name


74 - DATUM GRID FILE See note

Position Length Data format Description of field
1 2 Type code Record type code = 74
3 2 Derivation Derivation code
3 32 Text 32 Name of combined datum grid file
5 30 Text 30 Used to be filesystem name, no longer used


75 - INSTRUMENT See note

Position Length Data format Description of field
1 2 Type code Record type code = 75
3 2 Derivation Derivation code
5 16 Text 16 Instrument description
21 6 Integer 6 Instrument Serial Number
27 1 Mount type EDM Mounting System
28 16 Distance EDM Offset
44 16 Scalar J constant See note
60 16 Scalar N constant See note


77 - TARGET See note

Position Length Data format Description of field
1 2 Type code Record type code = 77
3 2 Derivation Derivation code
5 16 Distance Target Height
21 16 Prism Constant Prism Constant
37 16 Distance Prism Offset


78 - COGO SETTINGS See note

Position Length Data format Description of field
1 2 Type code Record type code = 78
3 2 Derivation Derivation code (NM)
5 1 South Azimuth Azimuth Orientation See note
6 1 Grid Orientation Direction of increasing coordinate values


79 - OBSERVATION See note

Position Length Data format Description of field
1 2 Type code Record type code = 79
3 2 Derivation Derivation code See note
5 16 Name Station Point name
21 16 Name Target Point name
37 16 Distance EDM (Slope) Distance See note
53 16 Angle Vertical Circle Reading (Zenith) See note
69 16 Angle Horizontal Circle Reading See note
85 16 Text 16 Feature code
101 1 Classification Classification of the point See note


80 - GROUND OBSERVATION

Position Length Data format Description of field
1 2 Type code Record type code = 80
3 2 Derivation Derivation code
5 16 Name Station Point name
21 16 Name Target Point name
37 16 Distance Slope Distance
53 16 Angle Vertical Circle Reading (Zenith) See note
69 16 Azimuth Azimuth from grid 0 See note
85 16 Text 16 Feature code
101 1 GPS Method Measurement method
102 1 Classification Classification of the point See note


81 - VERTICAL ADJUST

Position Length Data format Description of field
1 2 Type code Record type code = 81
3 2 Derivation Derivation code
5 1 Vertical Adjustment Type of vertical adjustment
6 16 Distance Origin north
22 16 Distance Origin east
38 16 Distance Constant adjustment
54 16 Scalar Slope north
70 16 Scalar Slope east
86 32 Text 32 Geoid Model Name See note


82 - SURVEY EVENT See note

Position Length Data format Description of field
1 2 Type code Record type code = 82
3 2 Derivation Derivation code
5 1 Survey Event Type of survey event that occurred


84 - ROAD: HORIZONTAL ALIGN (Horizontal Header)

Position Length Data format Description of field
1 2 Type code Record type code = 84
3 2 Derivation Derivation code See note
5 16 Distance Start station
21 16 Azimuth Start azimuth (from zero degrees grid) See note
37 16 Distance Start northing (Subject to Coordinate Order in header)
53 16 Distance Start easting (Subject to Coordinate Order in header)
69 16 Distance Station Interval


85 - LASER OBSERVATION See note

Position Length Data format Description of field
1 2 Type code Record type code = 85
3 2 Derivation Derivation code
5 16 Name Point name
21 16 Azimuth Azimuth (Magnetic)
37 16 Angle Vertical angle (zenith)
53 16 Distance Slope distance
69 16 Angle Magnetic declination (from geodetic North)
85 16 Text 16 Feature code
101 1 GPS Method GPS Method (not relevant to Laser Obs)
102 1 Classification Classification of the point See note


86 - LASER HEIGHT See note

Position Length Data format Description of field
1 2 Type code Record type code = 86
3 2 Derivation Derivation code
5 16 Distance Laser height


87 - FEATURE NAME See note

Position Length Data format Description of field
1 2 Type code Record type code = 87
3 2 Derivation Derivation code
5 20 Text 20 Feature name


88 - ATTRIBUTE: NUMBER See note

Position Length Data format Description of field
1 2 Type code Record type code = 88
3 2 Derivation Derivation code
5 20 Text 20 Name of the attribute
25 16 Scalar Attribute value as entered


89 - ATTRIBUTE: STRING See note

Position Length Data format Description of field
1 2 Type code Record type code = 89
3 2 Derivation Derivation code
5 20 Text 20 Name of the attribute
25 100 Text 100 Attribute string value entered


90 - ATTRIBUTE: DATE See note

Position Length Data format Description of field
1 2 Type code Record type code = 90
3 2 Derivation Derivation code
5 20 Text 20 Name of the attribute
25 10 Date YMD Date entered or generated (UTC)


91 - ATTRIBUTE: TIME See note

Position Length Data format Description of field
1 2 Type code Record type code = 91
3 2 Derivation Derivation code
5 20 Text 20 Name of the attribute
25 8 Time HMS Time entered or generated (UTC)


92 - ATTRIBUTE: MENU See note

Position Length Data format Description of field
1 2 Type code Record type code = 92
3 2 Derivation Derivation code
5 20 Text 20 Name of the attribute
25 20 Text 20 Attribute string value of menu item
45 3 Integer 3 Attribute menu item chosen (blank for none)


93 - LASER: BASE POINT See note

Position Length Data format Description of field
1 2 Type code Record type code = 93
3 2 Derivation Derivation code
5 16 Name Name of base point


94 - LASER: TARGET HEIGHT See note

Position Length Data format Description of field
1 2 Type code Record type code = 94
3 2 Derivation Derivation code
5 16 Distance Height of target


95 - CODING FILE (FEATURES / ATTRIBUTES) See note

Position Length Data format Description of field
1 2 Type code Record type code = 95
3 2 Derivation Derivation code
5 60 Text 60 Name of source DDF or FCX file See note
65 1 Boolean Attributes have been stored. See note
66 5 Integer 5 Identifier for source DDF or FCX file (eg CRC-16 checksum) See note
71 20 Text 20 Internal (display) name of Library


96 - ATTRIBUTE: FILENAME See note

Position Length Data format Description of field
1 2 Type code Record type code = 96
3 2 Derivation Derivation code
5 20 Text 20 Name of the attribute
25 100 Text 100 Attribute filename entered


97 - ROAD: TEMPLATE SIDESLOPE (Template Batter) See note

Position Length Data format Description of field
1 2 Type code Record type code = 97
3 2 Derivation Derivation code See note
5 17 New Grade Cut batter
22 17 New Grade Fill batter
39 16 Distance Ditch Offset
55 16 Text 16 Feature code


A0 - STAKEOUT POINT DESIGN See note

Position Length Data format Description of field
1 2 Type code Record type code = A0
3 2 Derivation Derivation code
5 16 Name Entity name
21 1 Stake method Stake method


A1 - STAKEOUT LINEAR DESIGN See note

Position Length Data format Description of field
1 2 Type code Record type code = A1
3 2 Derivation Derivation code
5 16 Name Entity name
21 1 Stake method Stake method
22 16 Distance Chainage
38 16 Distance Horizontal offset
54 16 Distance Vertical offset See note


A2 - STAKEOUT DTM DESIGN

Position Length Data format Description of field
1 2 Type code Record type code = A2
3 2 Derivation Derivation code
5 16 Name DTM name
21 16 Distance Vertical offset of DTM


A3 - STAKEOUT SLOPE DESIGN See note

Position Length Data format Description of field
1 2 Type code Record type code = A3
3 2 Derivation Derivation code
5 1 Offset element type Left offset element type
6 16 Distance Left Horizontal Distance
22 16 Distance Left Vertical distance
38 16 Distance Left Slope distance
54 17 New Grade Left Grade
71 1 Offset element type Right offset element type
72 16 Distance Right Horizontal Distance
88 16 Distance Right Vertical distance
104 16 Distance Right Slope distance
120 17 New grade Right Grade


A5 - POINT GRID DELTAS See note

Position Length Data format Description of field
1 2 Type code Record type code = A5
3 2 Derivation Derivation code
5 16 Distance Delta Northing (from measured pt to design pt)
21 16 Distance Delta Easting (from measured pt to design pt)
37 16 Distance Delta Elevation (from measured pt to design pt)


A6 - POINT POLAR DELTAS See note

Position Length Data format Description of field
1 2 Type code Record type code = A6
3 2 Derivation Derivation code
5 16 Azimuth Azimuth (from measured pt to design pt)
21 16 Distance Horizontal distance (from measured pt to design pt)
37 16 Distance Vertical Distance (from measured pt to design pt)


A7 - LINEAR DELTAS See note

Position Length Data format Description of field
1 2 Type code Record type code = A7
3 2 Derivation Derivation code
5 16 Distance Asbuilt stationing
21 16 Distance Horizontal distance from design line or arc (-left/+right) See note
37 16 Distance Vertical distance (-cut/+fill) See note
53 17 New Grade Grade to the design line or arc


A8 - DTM DELTAS See note

Position Length Data format Description of field
1 2 Type code Record type code = A8
3 2 Derivation Derivation code
5 16 Distance Vertical distance (-cut/+fill) See note


A9 - SLOPE DELTAS See note

Position Length Data format Description of field
1 2 Type code Record type code = A9
3 2 Derivation Derivation code
5 16 Distance Asbuilt stationing
21 16 Distance Vertical distance (-cut/+fill) See note


B1 - GPS: CALIBRATION POINT See note

Position Length Data format Description of field
1 2 Type code Record type code = B1
3 2 Derivation Derivation code (CB)
5 16 Name GPS Point name
21 16 Name NEE Point name
37 1 Dimensions Number of dimensions used.
38 16 +Distance Residual - Horizontal
54 16 +Distance Residual - Vertical
70 16 +Distance Residual - 3D


B2 - RESECTION POINT See note

Position Length Data format Description of field
1 2 Type code Record type code = B2
3 2 Derivation Derivation code (RS)
5 16 Name Point name
21 1 Dimensions Number of dimensions used.
22 16 Distance Residual - Northing
38 16 Distance Residual - Easting
54 16 Distance Residual - Elevation
70 16 Angle Residual - Horizontal Angle (Delta)
86 16 Angle Residual - Vertical Angle (Delta)
102 16 Distance Residual - EDM distance (Delta)


B3 - ROAD: HORIZONTAL ARC (Angle/Length)

Position Length Data format Description of field
1 2 Type code Record type code = B3
3 2 Derivation Derivation code See note
5 16 Angle Angle (at centre of arc)
21 16 +Distance Length (along centreline)
37 1 Boolean Clockwise arc direction


B4 - ROAD: HORIZONTAL ARC (Radius/Angle)

Position Length Data format Description of field
1 2 Type code Record type code = B4
3 2 Derivation Derivation code
5 16 Angle Angle (centre of arc)
21 16 Distance Radius See note


B5 - ROAD: TEMPLATE ELEMENT (Template Distance/Delta)

Position Length Data format Description of field
1 2 Type code Record type code = B5
3 2 Derivation Derivation code See note
5 16 +Distance Horizontal distance
21 16 Distance Height difference
37 1 Apply super option Apply superelevation
38 1 Apply widening option Apply widening
39 16 Text 16 Feature code


B6 - LONG FEATURE CODE See note

Position Length Data format Description of field
1 2 Type code Record type code = B6
3 2 Derivation Derivation code
5 100 Text 100 Feature coding of the preceding entity.


B7 - MATCHED OBSERVATIONS See note

Position Length Data format Description of field
1 2 Type code Record type code = B7
3 2 Derivation Derivation code (MP)
5 16 Name Station Point name (both have the same station)
21 16 Name Target Point name (both have the same target)
37 16 Angle First obs horizontal angle
53 16 Angle Second obs horizontal angle
69 16 Angle First obs vertical angle
85 16 Angle Second obs vertical angle
101 16 Distance First obs EDM Distance
117 16 Distance Second obs EDM distance
133 16 Text 16 Feature code
149 1 Classification Classification of the point See note


B8 - ROAD: VERTICAL ASYMMETRIC PARABOLIC

Position Length Data format Description of field
1 2 Type code Record type code = B8
3 2 Derivation Derivation code See note
5 16 Distance Station of intersection
21 16 Distance Elevation of intersection
37 16 +Distance In length
53 16 +Distance Out length


B9 - ROAD: CROSS SECTION (Apply Templates)

Position Length Data format Description of field
1 2 Type code Record type code = B9
3 2 Derivation Derivation code See note
5 16 Distance Chainage
21 1 Template Type Left template type
22 16 Text 16 Left template
38 1 Template Type Right template type
39 16 Text 16 Right template


C0 - TRAVERSE ORIENTATION

Position Length Data format Description of field
1 2 Type code Record type code = C0
3 2 Derivation Derivation code (AJ)
5 16 Name Traverse Name
21 16 Name Start Station Name
37 16 Name Backsight point name
53 16 Angle Backsight azimuth (grid)
69 16 Name End Station name
85 16 Name Foresight point name
101 16 Angle Foresight azimuth (grid)


C1 - TRAVERSE POINT

Position Length Data format Description of field
1 2 Type code Record type code = C1
3 2 Derivation Derivation code (AJ)
5 16 Name Point name


C2 - CLOSE/ADJUSTMENT RESULTS

Position Length Data format Description of field
1 2 Type code Record type code = C2
3 2 Derivation Derivation code (AJ)
5 16 Angle Angular close
21 16 Distance Distance close
37 16 Text 16 Precision
53 16 Distance Delta Northing
69 16 Distance Delta Easting
85 16 Distance Delta Elevation
101 16 Distance Traverse Length
117 1 Results Results


C3 - TRAVERSE OPTIONS

Position Length Data format Description of field
1 2 Type code Record type code = C3
3 2 Derivation Derivation code (AJ)
5 1 Adjustment method Adjustment method
6 1 Angular adjustment Angular adjustment
7 1 Elevation adjustment Elevation adjustment


C4 - MEAN TURNED ANGLE (MHA MVA MSD) RECORD

Position Length Data format Description of field
1 2 Type code Record type code = C4
3 2 Derivation Derivation code
5 16 Name Point name
21 16 Text 16 Feature Code
37 16 Name Backsight point name
53 16 Angle Mean turned Horz. Angle
69 16 Angle Mean vertical angle
85 16 Distance Mean slope distance
101 16 Angle Horz. angle standard error
117 16 Angle Vertical angle standard error
133 16 Distance Slope distance standard error
149 2 Integer 2 Number of angles
151 2 Integer 2 Number of distances


C5 - MEAN TURNED ANGLE (MHA MHD MVD) RECORD

Position Length Data format Description of field
1 2 Type code Record type code = C5
3 2 Derivation Derivation code
5 16 Name Point name
21 16 Text 16 Feature Code
37 16 Name Backsight point name
53 16 Angle Mean turned Horz. Angle
69 16 Distance Mean Horz. distance
85 16 Distance Mean vertical distance
101 16 Angle Horz. angle standard error
117 16 Distance Horz.distance standard error
133 16 Distance Vertical distance standard error
149 2 Integer 2 Number of distances
151 2 Integer 2 Number of distances


C6 - QUALITY CONTROL 1 See note

Position Length Data format Description of field
1 2 Type code Record type code = C6
3 2 Derivation Derivation code
5 2 Integer 2 Minimum number of satellites
7 1 Boolean Relative DOPs
8 16 Scalar PDOP (maximum)
24 16 Scalar HDOP (maximum)
40 16 Scalar VDOP (maximum)
56 16 Scalar RMS
72 4 Integer 4 Number of GPS positions used
76 16 Distance Horizontal standard deviation
92 16 Distance Vertical standard deviation
108 4 Integer 4 Start GPS week
112 16 Scalar Start GPS time in seconds to 3dp
128 4 Integer 4 End GPS Week
132 16 Scalar End GPS time in seconds to 3dp
148 1 Monitor Status


C7 - INSTRUMENT PRECISIONS

Position Length Data format Description of field
1 2 Type code Record type code = C7
3 2 Derivation Derivation code
5 16 Angle HA precisions
21 16 Angle VA precisions
37 16 Distance EDM precisions
53 16 Scalar EDM ppm


C8 - COORDINATE SYSTEM See note

Position Length Data format Description of field
1 2 Type code Record type code = C8
3 2 Derivation Derivation code
5 1 Coord System Option Coordinate System Option
6 32 Text 32 System Name
38 32 Text 32 Zone Name
70 32 Text 32 Datum Name


C9 - STAKEOUT ROAD DESIGN See note

Position Length Data format Description of field
1 2 Type code Record type code = C9
3 2 Derivation Derivation code
5 16 Text 16 Feature code
21 1 Boolean Batter is a fill
22 17 New Grade Sideslope Grade
39 16 Distance Construction Horiz offset
55 16 Distance Construction Vert offset
71 16 Distance Ditch Offset
87 1 Station Class Stationing class 1 See note
88 1 Station Class Stationing class 2
89 1 Station Class Stationing class 3
90 1 Boolean Stake to grade applied


D0 - EXTENDED PROJECTION See note

Position Length Data format Description of field
1 2 Type code Record type code = D0
3 2 Derivation Derivation code
5 1 Projection Type of projection
6 16 Latitude Latitude
22 16 Longitude Longitude
38 16 Distance Origin height
54 16 Distance Origin north
70 16 Distance Origin east
86 16 Distance Origin elevation
102 16 Scale factor Scale factor
118 16 Angle Orientation 1 (skew/parallel 1)
134 16 Angle Orientation 2 (parallel 2)
150 1 Origin center Origin center
151 1 Azimuth format Azimuth format
152 1 Boolean Rectify
153 1 Projection area Area
154 32 Text 32 File 1 (UKNG north grid filename)
186 32 Text 32 File 2 (UKNG east grid filename)


D1 - ROAD: Template Delta See note

Position Length Data format Description of field
1 2 Type code Record type code = D1
3 2 Derivation Derivation code
5 16 Text 16 Feature code
21 16 Distance Horizontal offset from catch point to template element
37 16 Distance Vertical distance from catch point to template element


D2 - ATMOSPHERE See note

Position Length Data format Description of field
1 2 Type code Record type code = D2
3 2 Derivation Derivation code
5 16 Pressure Atmospheric pressure See note
21 16 Temperature Atmospheric temperature See note
37 16 Scalar Refraction Constant See note
53 16 Scalar PPM (Slope distance correction) See note


D3 - ROAD DELTAS See note

Position Length Data format Description of field
1 2 Type code Record type code = D3
3 2 Derivation Derivation code
5 16 Distance Delta station (+fwd/-back)
21 16 Distance Offset to catch point (Catch to centerline)
37 16 Distance Height
53 16 Distance Horz distance to start of slope (Catch to hinge)
69 16 Distance Vert distance to start of slope (Catch to hinge) (-cut/+fill)
85 16 Distance Slope distance to start of slope (Catch to hinge)
101 16 Distance Slope distance to start of slope with constr. offsets applied


D4 - COGO SETTINGS See note

Position Length Data format Description of field
1 2 Type code Record type code = D4
3 2 Derivation Derivation code
5 1 South Azimuth Azimuth orientation See note
6 1 Grid Orientation Direction of increasing coordinate values
7 16 Distance Default Elevation


D5 - LOCAL SITE SETTINGS

Position Length Data format Description of field
1 2 Type code Record type code = D5
3 2 Derivation Derivation code
5 16 Latitude Project latitude
21 16 Longitude Project longitude
37 16 Distance Project height
53 16 Scale factor Ground scale factor
69 16 Distance False northing offset
85 16 Distance False easting offset


D6 - Line

Position Length Data format Description of field
1 2 Type code Record type code = D6
3 2 Derivation Derivation code
5 16 Name Line name
21 42 Text 42 Feature code
63 16 Name Start point name
79 16 Distance Start point northing
95 16 Distance Start point easting
111 16 Distance Start point elevation
127 16 Name End point name
143 16 Distance End point northing
159 16 Distance End point easting
175 16 Distance End point elevation
191 16 Distance Start station
207 16 Distance Station interval


D7 - Circular arc (Delta angle and point) See note

Position Length Data format Description of field
1 2 Type code Record type code = D6
3 2 Derivation Derivation code
5 16 Text 16 Curve name See note
21 42 Text 42 Feature code
63 16 Name Centre point name
79 16 Distance Centre point northing
95 16 Distance Centre point easting
111 16 Distance Centre point elevation
127 16 Name Start point name
143 16 Distance Start point northing
159 16 Distance Start point easting
175 16 Distance Start point elevation
191 16 Distance End point elevation
207 16 Angle Delta angle (+ or -) See note
223 16 Distance Start station
239 16 Distance Station interval See note