Filter
Top Products
TH-D72A/E I
CONTENTS
1 DEVELOPMENT CONCEPT ............ 1
1.1 GPS Unit ............................................1
1.2 Evolving Development........................2
1.3 Other New Functions..........................3
2 HOW YOU ENJOY APRS WITH
TH-D72A/E (WRITTEN BY BOB
BRUNINGA, WB4APR).................... 4
3 PREPARATIONS FOR OPERATING
APRS .............................................. 15
3.1 What Do I Need to Configure? .........15
3.2 Configuration....................................17
3.2.1 Built-in Clock.....................................17
3.2.1.1 Activating Your Mobile GPS Position.....17
3.2.1.2 Setting Manually in the Menu.................17
3.2.2 My Callsign.......................................18
3.2.3 Beacon Type ....................................18
3.2.4 Data Band.........................................19
3.2.5 Packet Speed ...................................19
3.2.6 Position.............................................19
3.2.6.1 Using Internal GPS ................................ 19
3.2.6.2 Using GPS Receivers ............................ 19
3.2.6.3 Manually Entering Your Position............ 20
3.2.7 Position Comment ............................20
3.2.8 Status Text .......................................21
3.2.9 APRS Icon........................................21
3.2.10 Method of Beacon Transmission ......21
3.2.11 Packet Path ......................................22
3.2.12 Sound ...............................................22
3.2.13 Battery Saver....................................22
3.2.14 APRS Operating Frequency.............23
3.2.15 Placing a Transceiver in APRS
mode.................................................23
3.2.16 Transmitting a Beacon......................23
4 GPS ................................................ 24
4.1 What is GPS?...................................24
4.1.1 Position Determination Principle.......24
4.1.2 Datum (Geodetic Survey System)..... 25
4.1.2.1 GPS and APRS Position Format............ 25
4.2 GPS Receivers.................................26
4.2.1 Garmin GPS18xPC ..........................26
4.2.2 AvMap G5.........................................26
4.2.3 Other GPS Receivers.......................26
4.2.4 Settings for Geodetic Survey
System..............................................27
4.3 Internal GPS .................................... 27
4.3.1 GPS Satellite Information Display.....27
4.3.2 Automatic Adjustment of the
Built-in Clock.....................................28
4.3.3 North Up and Heading Up ................28
4.3.4 NMEA Sentence Output ...................30
4.3.5 Internal GPS Unit Save.....................31
4.3.6 Battery Operating Time during the
Concurrent Use of the Internal GPS
Unit ...................................................31
4.3.7 GPS Only Mode................................32
4.3.8 Log Function.....................................32
4.3.9 Mark Waypoint..................................35
4.3.10 Target Point......................................35
4.3.11 SBAS................................................36
5 APRS SOFTWARE FOR YOUR
PC ...................................................37
5.1 UI-View32 ........................................ 37
5.1.1 Introduction of UI-View .....................37
5.1.2 Connecting a PC...............................38
5.1.3 How to Configure UI-View32 ............38
5.2 Available Software associated with
APRS ............................................... 40
6 OPERATIONAL EXAMPLES OF
APRS ..............................................41
6.1 Let’s Go Mobile................................ 41
6.1.1 Overview...........................................41
6.1.1.1 Automatic Reply Function...................... 41
6.1.1.2 Entering Characters............................... 42
6.1.2 Decay Algorithm Function.................42
6.1.3 Proportional Pathing Function ..........42
6.1.4 Simultaneously using Decay
Algorithm and Proportional Pathing.... 43
6.1.5 SmartBeaconing
(Written by Steve Bragg,
KA9MVA)..........................................43
6.1.5.1 Variable Rate Beaconing
(Transmission Interval Changes with
Speed).................................................... 43
6.1.5.2 Corner Pegging
(Transmission after Heading
Change) .................................................44
6.1.5.3 Operation Example ................................ 46
6.1.6 QSY Function ...................................47
6.1.6.1 Transmitting QSY Information................ 47
6.1.6.2 Receiving QSY Information.................... 49
6.1.6.3 QSY Functions and EchoLink................49
6.1.7 Message Function ............................49
6.1.7.1 Automatic Reply Function...................... 49
6.1.7.2 TX Beep (Beacon).................................. 50