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8. GPS OPERATION (ADVANCED)
GPS SET
» GPS > GPS TX Mode > GPS
GPS Sentence (Default: GGA)
Select sentences to be transmitted in the GPS mode
to transmit position data. Set to between RMC, GGA,
GLL, VTG, GSA, and GSV.
NOTE: Set the GSV sentence to OFF when
sending the GPS message to conventional digital
transceivers.
The GSV sentence is incompatible with them.
L Information
• Up to 4 GPS sentences can be set at a time.
• Displays “✓” when the sentence is set to ON.
• Even if GPS Auto TX is set to “5 sec,” when 4
sentences are selected, the time is automatically
changed to “10 sec.” (p.8-41)
• “VTG,” “GSA,” and “GSV” sentences is not
transmitted when your position has been manually
set.
GPS Message
Enter a GPS message of up to 20 alphanumeric
characters. (p. 8-20)
NOTE: When you do not want to send a message,
delete the entered message.
TIP: Contents of GPS sentence
The Time Stamp is displayed based on the UTC (Universal Time Coordinated) time.
Sentence Lon/Lat Alt
GPS Time
Stamp
(UTC)
Date
(UTC)
Status 2D/3D
COG
(True)
SOG
(knot)
RMC
✔ ✔ ✔ ✔ ✔ ✔
GGA
✔ ✔ ✔ ✔
GLL
✔ ✔ ✔
VTG
✔ ✔
GSA
✔ ✔
GSV
Sentence Others
RMC
Magnetic variation, Mode Indicator
GGA
Number of satellites in use, HDOP, Geoidal separation, Age of Differential GPS data
Differential reference station ID
GLL
Mode Indicator
VTG
COG (Magnetic north), SOG (km/h), Mode Indicator
GSA
PRN number of satellites used in solution, PDOP, HDOP, VDOP
GSV
Total number of sentences, Sentence number, Total number of satellites in view, Satellite information (ID,
Elevation, Azimuth, S/N)
» GPS
GPS Information
Displays the GPS satellite direction, elevation angle,
satellite number, and receiving status. (p. 8-10)
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