NavCom Sapphire Rev.J - Manual (Page 329)

Sapphire Technical Reference Manual Rev. J
329
2.75 NMEAPNCTDTM (ASCII)
SF-3050 Sapphire SF-3040
Supported Output Rate: OFF ONCE OnChange OnTime
ONCE = output immediately once upon initiation of system
OnChange = same rate as the fastest NAV Message (e.g. PNCTGGA).
OnTime = highest rate licensed
This output stream reports local geodetic datum and datum offsets from a reference datum. It is
in compliance with NMEA 0183 Standards version 3.0.
Default: The NMEAPNCTDTM message will be scheduled automatically to display
before the most frequent NAV msg. If the frequency of any other NAV msg is changed, the
adjusted NMEAPNCTDTM message will automatically display before the most frequent one.

If the user is running an earlier version of the software (v3.0.12 and earlier), the
NMEAPNCTDTM must be manually scheduled to display at the same rate as the
NMEAPNCTGGA.
The output format for this message is described in the following table.

The difference between NMEADTM and NMEAPNCTDTM is the added datum
codes for ITRF2005, ITRF2008 and GDA94. When the datum code is unknown
(e.g. RTK mode), the output will be empty.
Table 162 PNCTDTM Message Output Format
Field# Field name Description
F1 Local datum code
Local Datum Code
W84 = WGS84
W72 = WGS72
S85 = SGS85
P90 = PE90
999 = User defined
I05 = ITRF2005
G94 = GDA94
F2 Local datum subdivision code Local datum subdivision code (if available)
F3 Lat offset Latitude offset from reference position (in minutes)
F4 N/S Direction of latitude (N=north, S=south)
F5 Lon offset Longitude offset from reference position (in minutes)
F6 E/W Direction of longitude (E=east, W=west)
F7 Altitude offset Altitude offset from reference position (in meters)
F8 Reference datum code Reference Datum Code
W84 = WGS84
W72 = WGS72
S85 = SGS85
PE90 = P90
I05 = ITRF2005
I08 = ITRF2008
G94 = GDA94
F9 *CRC Checksum