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14-1
14 APRS®
APRS DATA COMMUNICATION
• ThisfunctionusestheAPRSformatfordata
communications including your station position, messages,
etc.
• Whendataisreceivedfromanotherstationdirectly,via
digipeatersand/orIGatestations,thedirectionofthe
receivedstation(fromyourstation’sperspective),their
distance, and their grid square locator is displayed. Any
comments sent by the other stations are also displayed.
• APRS(AutomaticPacketReportingSystem)isa
worldwidesystemintroducedbyBobBruninga,WB4APR.
<APRS®isasoftwareprogramandregisteredtrademark
ofBobBruninga,WB4APR.>
OfcialAPRSWebsite:http://www.aprs.org
APRS Network
Digipeater
• Digipeater(DigitalRepeater)relaysdigitalpacketdata.
WhenaDigipeaterreceivesapacket,itsavesitto
memory.Whenthereceptionends,thepacketdataisre-
transmitted on the same frequency. Using Digipeaters, it is
possibletoexchangeAPRSpacketslongdistances.
IGate
• IGate(InternetGateway)isaveryusefulandimportant
featureforAPRSaswellasDigipeater.IGatestations
bridgeAPRSpacketsbetweenRFandtheInternet.
BygoingthroughtheIGatestations,youcanenjoythe
communication with the further distant stations which are
not covered only by Digipeaters.
DigipeaterstationsandIGatestationsareoperatedbythe
volunteer people in each region.
BASIC SETTINGS
This section describes only the basic items required for
general operation as an APRS mobile station from the default
setting state. For other operations and settings, please read
this instruction manual in detail and fully understand the
contentsbeforeoperation.Inappropriateoperationsand
settingsmaycauseadverseimpacttotheAPRSnetwork.
My Callsign
ProgramyourCallsignusingamaximumof9alphanumeric
charactersincludingSSID(SecondaryStationIDentiers)
suchas-7,-9,or-14.UnlessyouprogramaCallsign,you
cannottransmitAPRSpackets.
1 Access Menu No. 500.
ThedisplayforenteringaCallsignappears.
Youcanenter0to9,AtoZ,and–.
2 Press [ENT]tosettheCallsign.
Note:
ForSSIDcharacters,refertotheguidelineontheWebsite
(http://aprs.org/aprs11/SSIDs.txt)byBobBruninga,WB4APR.
Whenallsettingsareblank,“NOCALLisautomaticallyset.In
thiscase,thePositionpacketorMessagepacketcannotbe
transmitted.
Your Station Icon
1 Access Menu No. 501.
2 Select an icon which will be displayed on the monitors
ofotherstationsasyourID.Youmayselectanicon
dependingonyourcurrentlocation.Itisimportantthatthe
icon conveys the operational status of the station as well
astheSSID.
3 Press [A/B] to set your station icon.
Icon List
Person (/[)
Bicycle (/b)
Motorcycle (/<)
Car (/>)
Bus (/U) (/U)
Railroad Engine (/=)
Home (/-)
Yagi@QTH (/y)
KENWOOD (\K)
RADIO (\Y)
RV(/R) (/R)
Van(/v) (/v)
Jeep(/j) (/j)
Truck(/k) (/k)
Truck(18-wheeler)(/u) (/u)
Police (/P)
Ambulance (/a)
Canoe (/C)
Boat (/s)
Sailboat (/Y)
60


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