C.1 PDC FILES

In a PDC file, the sequence of data exists in the following format:

Header

FILEHDRB

GPS Logs

SITELOGB #1

GPS Logs

:

.

GPS Logs

SITELOGB #n

GPS Logs

EOF

Site records’ meteorological logs (MET) may occur at arbitrary locations throughout the file. The records are linked to allow easy extraction. The file header information block consists of 128 bytes, see Table 66.

Table 66: PDC Log Header

Item

Type

Size

Description

Range

Offset

 

 

 

 

 

 

Description

char

60

File Description. ^Z can be included to

 

0

 

 

 

indicate that the description is less than

 

 

 

 

 

60 characters.

 

 

 

 

 

 

 

 

EOF

byte

1

C:\ TYPE does not pass this point

^Z

60

 

 

 

(artificial End of File)

 

 

 

 

 

 

 

 

Signature

char

7

“NOVATEL”

 

61

 

 

 

 

 

 

FileCode

byte

1

Indicates the type of file.

 

68

 

 

 

 

 

 

Version

byte

1

Version number

0+

69

 

 

 

 

 

 

Revision

byte

1

Revision number

0 to 99

70

 

 

 

 

 

 

Reserved

byte

57

Reserved for future use

 

71

 

 

 

 

 

 

DL-V3 User Manual Rev 3

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Image 149
Novatel DL-V3 user manual PDC Log Header, Type Size Description Range Offset