C.3 DIRENT CF Card File List

The DIRENT log contains the current file contents of the receiver's CF card. Up to 512 files can be listed using this message.

The date and time for the DIRENT log is in UTC (Universal Coordinated Time). If the DL-V3 receiver has no almanac, UTC is unavailable.

The Date of Last Change field has 4 decimal digits reserved for the year, followed by 2 decimal digits reserved for the month, and 2 decimal digits for the day.

Example: Date of September 5, 2001

Date of Last Change field for this date when converted to a Ulong has a value of 20010905. The following steps can be used to obtain the various parts of the Date of Last Change field:

Ulong Year = (Ulong)(DateOfLastChange / 10000)

Ulong Month = (Ulong)( (DateOfLastChange - (Year * 10000)) / 100)

Ulong Day = (Ulong)( DateOfLastChange - (Year * 10000) - (Month * 100) )

The Time of Last Change field is similar to the Date of Last Change field, in that the value of the field has 2 decimal digits reserved for the hour, followed by 2 decimal digits for the minutes, and 2 decimal digits for the seconds.

Example: Time of 16:01:25

Time of Last Change field when converted to a Ulong has a value of 160125. The following steps can be used to obtain the various parts of the Time of Last Change field:

Ulong Hour = (Ulong)(TimeOfLastChange / 10000)

Ulong Minutes = (Ulong)( (TimeOfLastChange - (Hour * 10000)) / 100)

Ulong Seconds = (Ulong)( TimeOfLastChange - (Hour * 10000) - (Minutes * 100) )

Structure:

Message ID = 159

 

Log Type: Polled

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DL-V3 User Manual Rev 3

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Novatel DL-V3 user manual Dirent CF Card File List, 154