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190-00885-07 GPS 17x HVS Technical Specifications Rev. A
Page 16
<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 17x HVS 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 17x HVS
<2> True north velocity, -514.4 to 514.4 meters/second for GPS 17x HVS
<3> Up velocity, -999.9 to 999.9 meters/second for GPS 17x HVS
4.2.15 DPGS Beacon Information (PGRMB)
Note: The GPS 17x HVS does not support RTCM as a differential source. PGRMB is provided for backwards
compatibility.
$PGRMB,<1>,<2>,<3>,<4>,<5>,K,<6>,<7>,<8>*hh<CR><LF>
<1> No Effect (This field is not used on this model and is included only for backwards compatibility)
<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> Distance to beacon reference station in kilometers
<6> No Effect (This field is not used on this model and is included only for backwards compatibility)
<7> DGPS fix source (R = RTCM, W = WAAS, N = Non-DGPS Fix)
<8> DGPS mode, A = Automatic, W = WAAS Only, R = RTCM Only, N = None (DGPS disabled)
4.3 BAUD RATE SELECTION
Baud rate selection can be performed by sending the appropriate configuration sentence to the GPS sensor as
described in the PGRMC section
4.1.2 Sensor Initialization Information (PGRMI), field <10>.
4.4 MEASUREMENT PULSE OUTPUT
4.4.1 One-Pulse-Per-Second (PPS) Output