TM-D710A/E CONTENTS 3 2 APRS OPERA TIONS writ ten by Bob Bruninga, WB4APR 2.1 APRS Overview 2.1.1 History APRS was developed beginn ing back in the 1980 s by Bob Bruninga, WB4 APR, as a real-time local tactical communications system for rapid ly exchanging digital data of immediate va lue to local operatio ns.Ģ APRS OPERATIONS written by Bob Bruninga, WB4APR 4 CONTENTS TM-D710A/E 2.1.3 Mobile Information Resource APRS was never inte nded to be just a vehicle track ing system (GPS was added in the 19 92 time frame when GPS became affordable). Bob Bruninga, develope r of APRS, an operation specifica tion to better implement the flexibility of the APRS protoco l. T o have commo n functionality between the basic mode l (TM-V71A/E) and the multi-functi on model (TM -D710A/E) transceivers.ġ DEVELOPMENT CONCEPT 2 CONTENTS TM-D710A/E 1.2 Evolving Development In order to develop an APRS model f ollowing the TM-D 700 series, we discussed face-to-face directly with Mr.TM-D710A/E CONTENTS 1 1 DEVELOPMENT CONCEPT The concept of d eveloping the TM-V7 1A/E, TM-D710A/E and RC-D 710 is as stated below. But there is elegance in being able to communicate with only an FM transceiver and by adopting the latest technology. II CONTENTS TM-D710A/E New Technology Expands Amateur Radio Versatility Using HF radio to call CQ and contact hams arou nd the world will never lose its appeal. A fundamental reason fo r this has been that FM transceivers are easy to use. TM-D710A/E CONTENTS I PROLOGUE Amateurs Building the New Global Communications Network Hams have enjoye d using FM transceivers for ye ars for SSTV, A TV, packet, satellite, EME, GPS and other communica tions modes. 75 9.5.3.8 Transceiver Menu > SQC Output Logic. 35 7.ĬONTENTS TM-D710A/E III 9.5.3.7 Transceiver Menu > Variable Level of Data Terminal. ĬONTENTS II TM-D710A/E 7.4 Digipeaters (Digital Repeaters). 2 2 APRS OPERATIONS WRITTEN BY BOB BRUNINGA, WB4APR.
TM-D710A/E I CONTENTS 1 DEVELOPMENT CONCEPT.
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TM-D710A/E Multi-communicator VHF/UHF FM Dual Bander Getting Acquainted with APRS and EchoLink.Ĭover 2 TM-D710A/E About this Manual This document was created f or the product having the following design specifications.
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