10
GPS/GPS-A OPERATION
10-18
■ Transmitting GPS-A data
GPS-A mode is an operating mode supported with the
D-PRS to transmit position data.
In GPS-A operation, the following codes are transmit-
ted to the PC connected to the ID-51A/E.
GPS-A code is based on APRS
®
code.
(APRS
®
: Automatic Position Reporting System).
D Operating GPS-A
To transmit in GPS-A, follow the steps written below,
and for more details, see the pages listed along with
the steps.
1.
“MY”(Your own call sign) programming
(p. 16-54)
2. Receiving GPS data (p.
10-2
)
3. Set GPS TX Mode to GPS-A (p.
10-16
)
4. Transmitting GPS-A data setting
(pp.
10-19
to
10-22
)
Setting is completed.
(Transmission is enabled in GPS-A)
I-GATE
Internet
APRS
server
PC
It can be checked
at a map site.
• The image of D-PRS
NOTE:
• If “Manual” is selected in the GPS select screen, the
processed GPS-A code is transmitted, according to the
manually set position data in “Manual Position.”
(p. 16-32)
(MENU > GPS > GPS Set > Manual Position)
• Please note that if “GPS Auto TX” is set as any oth-
er setting than “OFF,” the data is transmitted each
and every setting time. (p. 16-47)
(MENU > GPS > GPS Auto TX)
q Your own call sign
qwer
tt
yu i
w Unproto address
e Time stamp*
*h: “hhmmss”, z: “ddhhmm
• The UTC time is used.
• The data from the internal or external GPS is used.
r Latitude
t GPS-A symbol (Car)
y Longitude
u Data extension
i GPS-A comment/Altitude
JA3YUA>API51,DSTAR�/002338h3437.38N/13534.29E>000/000/A=000000Who are you?
About GPS-A data
GPS-A data is formatted as shown below.
(e.g.)
D D-PRS
D-PRS is a function which simultaneously sends posi-
tion data received from the internal or external GPS re-
ceiver, using the slow speed data packet space, along
with voice in the DV mode.
In the analog format you can transmit or receive only
voice or data at one time. However a D-PRS capable
radio can transmit or receive message data or GPS po-
sition data at the same time voice is been transmitted
or received.
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