Garmin GPS 18x Technical Specifications - Page 23

GPS Fix Data Sentence PGRMF, Map Datum PGRMM, Sensor Status Information PGRMT, 3D Velocity - 5hz software

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4.2.11 GPS Fix Data Sentence (PGRMF) $PGRMF,,,,,,,,,,,,,,,*hh GPS week number (0 to 1023) GPS seconds (0 to 604799) UTC date of position fix, ddmmyy format UTC time of position fix, hhmmss format for GPS 18x PC/LVC; hhmmss.s format for GPS 18x-5Hz GPS leap second count Latitude, ddmm.mmmm format for GPS 18x PC/LVC; ddmm.mmmmm format for GPS 18x5Hz (leading zeros must be transmitted) Latitude hemisphere, N or S Longitude, dddmm.mmmm format for GPS 18x PC/LVC; dddmm.mmmmm format for GPS 18x-5Hz (leading zeros must be transmitted) Longitude hemisphere, E or W Mode, M = Manual, A = Automatic Fix type, 0 = no fix, 1 = 2D fix, 2 = 3D fix Speed over ground, 0 to 1851 kilometers/hour Course over ground, 0 to 359 degrees, true Position dilution of precision, 0 to 9 (rounded to nearest integer value) Time dilution of precision, 0 to 9 (rounded to nearest integer value) 4.2.12 Map Datum (PGRMM) The Garmin Proprietary sentence $PGRMM gives the name of the map datum currently in use by the GPS sensor. This information is used by the Garmin MapSource real-time plotting application. $PGRMM,*hh Name of map datum currently in use (variable length field, for example, "WGS 84") 4.2.13 Sensor Status Information (PGRMT) The Garmin Proprietary sentence $PGRMT gives information concerning the status of the GPS sensor. This sentence is transmitted once per minute regardless of the selected baud rate. $PGRMT,,,,,,,,,*hh Product, model and software version (variable length field, for example, "GPS 18x VER 2.05") No Effect (This field is not used on this model and is included only for backwards compatibility) No Effect (This field is not used on this model and is included only for backwards compatibility) No Effect (This field is not used on this model and is included only for backwards compatibility) No Effect (This field is not used on this model and is included only for backwards compatibility) No Effect (This field is not used on this model and is included only for backwards compatibility) No Effect (This field is not used on this model and is included only for backwards compatibility) No Effect (This field is not used on this model and is included only for backwards compatibility) No Effect (This field is not used on this model and is included only for backwards compatibility) 4.2.14 3D Velocity Information (PGRMV) $PGRMV,,,*hh True east velocity, -514.4 to 514.4 meters/second for GPS 18x PC/LVC; -514.44 to 514.44 for GPS 18x-5Hz True north velocity, -514.4 to 514.4 meters/second for GPS 18x PC/LVC; -514.44 to 514.44 for GPS 18x-5Hz Up velocity, -999.9 to 999.9 meters/second for GPS 18x PC/LVC; -999.99 to 999.99 for GPS 18x-5Hz 190-00879-08 GPS 18x Technical Specifications Page 19 Rev. B

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190-00879-08
GPS 18x Technical Specifications
Rev. B
Page 19
4.2.11
GPS Fix Data Sentence (PGRMF)
$PGRMF,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>,<10>,<11>,<12>,<13>,<14>,<15>*hh<CR><LF>
<1>
GPS week number (0 to 1023)
<2>
GPS seconds (0 to 604799)
<3>
UTC date of position fix, ddmmyy format
<4>
UTC time of position fix, hhmmss format for GPS 18x PC/LVC; hhmmss.s format for GPS
18x-5Hz
<5>
GPS leap second count
<6>
Latitude, ddmm.mmmm format for GPS 18x PC/LVC; ddmm.mmmmm format for GPS 18x-
5Hz (leading zeros must be transmitted)
<7>
Latitude hemisphere, N or S
<8>
Longitude, dddmm.mmmm format for GPS 18x PC/LVC; dddmm.mmmmm format for GPS
18x-5Hz (leading zeros must be transmitted)
<9>
Longitude hemisphere, E or W
<10>
Mode, M = Manual, A = Automatic
<11>
Fix type, 0 = no fix, 1 = 2D fix, 2 = 3D fix
<12>
Speed over ground, 0 to 1851 kilometers/hour
<13>
Course over ground, 0 to 359 degrees, true
<14>
Position dilution of precision, 0 to 9 (rounded to nearest integer value)
<15>
Time dilution of precision, 0 to 9 (rounded to nearest integer value)
4.2.12
Map Datum (PGRMM)
The Garmin Proprietary sentence $PGRMM gives the name of the map datum currently in use by the GPS sensor.
This information is used by the Garmin MapSource real-time plotting application.
$PGRMM,<1>*hh<CR><LF>
<1>
Name of map datum currently in use (variable length field, for example, “WGS 84”)
4.2.13
Sensor Status Information (PGRMT)
The Garmin Proprietary sentence $PGRMT gives information concerning the status of the GPS sensor. This
sentence is transmitted once per minute regardless of the selected baud rate.
$PGRMT,<1>,<2>,<3>,<4>,<5>,<6>,<7>,<8>,<9>*hh<CR><LF>
<1>
Product, model and software version (variable length field, for example, “GPS 18x VER 2.05”)
<2>
No Effect (This field is not used on this model and is included only for backwards compatibility)
<3>
No Effect (This field is not used on this model and is included only for backwards compatibility)
<4>
No Effect (This field is not used on this model and is included only for backwards compatibility)
<5>
No Effect (This field is not used on this model and is included only for backwards compatibility)
<6>
No Effect (This field is not used on this model and is included only for backwards compatibility)
<7>
No Effect (This field is not used on this model and is included only for backwards compatibility)
<8>
No Effect (This field is not used on this model and is included only for backwards compatibility)
<9>
No Effect (This field is not used on this model and is included only for backwards compatibility)
4.2.14
3D Velocity Information (PGRMV)
$PGRMV,<1>,<2>,<3>*hh<CR><LF>
<1>
True east velocity, -514.4 to 514.4 meters/second for GPS 18x PC/LVC; -514.44 to 514.44 for GPS
18x-5Hz
<2>
True north velocity, -514.4 to 514.4 meters/second for GPS 18x PC/LVC; -514.44 to 514.44 for GPS
18x-5Hz
<3>
Up velocity, -999.9 to 999.9 meters/second for GPS 18x PC/LVC; -999.99 to 999.99 for GPS 18x-5Hz