Transmitting Gps-A Data; D D-Prs; D Operating Gps-A - Icom ID-31A Advanced Instructions

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5
GPS/GPS-A OPERATION

■ 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-31A/E.
GPS-A code is based on APRS
(APRS ® : Automatic Packet Reporting System).
About GPS-A data
GPS-A data is formatted as shown below.
(e.g.) JA3YUA>API31,DSTAR�/002338h3437.38N/13534.29E>000/000/A=000000Who are you?
q
q Your own call sign
w Unproto address
*h: "hhmmss", z: "ddhhmm
• The UTC time is used.
• The data from the internal or external GPS is used.

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
position data at the same time voice is been transmit-
ted or received.
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. 2-4)
2. Receiving GPS data (p. 5-2)
3. Set GPS TX MODE to GPS-A (p. 5-16)
4. Transmitting GPS-A data setting (pp. 5-19 to
5-22)

Setting is completed.
(Transmission is enabled in GPS-A)
®
code.
w e r
t
e Time stamp* t GPS-A symbol (Car)
r Latitude y Longitude
y u
t
• The image of D-PRS
I-GATE
Internet
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. 10-23)
(MENU > GPS > GPS Set > Manual Position)
• Please note that if
other setting than
each and every setting time.
(MENU > GPS > GPS Auto TX)
5-18
i
u Data extension
i GPS-A comment/Altitude
It can be checked
at a map site.
PC
APRS
server
GPS Auto TX is set as any
" "
OFF " the data is transmitted
" ,
(p. 5-24)