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A CASE FOR TOUCH TONE APRSTT AT THE WEST POINT TRIATHLON A FEATURE OF THE
AUTOMATIC PACKET REPORTING SYSTEM APRS ALLOWS FOR REAL TIME POSITION
UPDATES AND OBJECT TRACKING WITHOUT THE NEED FOR GPS OR TNC ENABLED
EQUIPMENT.  NOLAN PEARCE, N2WU THE AUTOMATIC PACKET REPORTING SYSTEM APRS
IS AN AMATEUR DATA SYSTEM THAT UTILIZES THE AXR25 COMMUNICATIONS PROTOCOL
TO RELAY LOCAL INFORMATION ACROSS A RADIO NETWORK.  INVENTED BY BOB
BRUNINGA, WB4APR SK, IN 1992, ITS PRIMARY GOAL HAS BEEN RAPIDLY EXCHANGING
DIGITAL DATA OF IMMEDIATE VALUE TO OPERATIONS, ACCORDING TO WWW.  APRS.
ORG.  APRS HAS ITS SHORTCOMINGS, AS DOES ANY NETWORK.  IT REQUIRES A
TERMINAL NODE CONTROLLER TNC ALONG WITH AN INTERFACE TO A STANDARD RADIO.
TNCS AND COMPATIBLE RADIOS CAN BE EXPENSIVE OR DIFFICULT TO HOMEBREW.
ADDITIONALLY, THE EXTRA HARDWARE MEANS APRS SETUPS ARE OFTEN LOCATION
CONSTRAINED, WHICH SEVERELY LIMITS THE PROTOCOLS DYNAMIC GPS ABILITY.
HOWEVER, SEVERAL SOLUTIONS WWW. MOBILINKD. COM AND WWW.  APRSDROID. ORG
EXIST TO CIRCUMVENT THE COST AND TECHNOLOGY BARRIER.  ONE SOLUTION, APRS
TOUCH TONE APRSTT, WAS CREATED BY BOB BRUNINGA TO LET 100 OF HAM RADIO
USERS CHECK IN TO THE GLOBAL APRS SYSTEM AND FACILITATE END TO END CONTACT
BETWEEN OPERATORS.   THIS ALLOWS ANY HAM WITH DUAL TONE MULTI FREQUENCY
DTMF CAPABILITY TO UTILIZE THE REAL TIME TACTICAL NETWORK FEATURES OF APRS.
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