CONTENTSII TH-D72A/E6.1.8 APRS Lock ...................................... 506.2 Base Station (Weather Station)........516.2.1 Using Meteorological Equipment ..... 516.2.1.1 Davis Instruments Corp. Inc. ..................516.2.1.2 Peet Bros. Company...............................527 APRS NETWORKS ........................ 537.1 APRS Servers ..................................537.2 IGate.................................................537.3 Let’s Send Email ..............................557.3.1 Sending Email with TH-D72A/E....... 557.4 Digipeaters (Digital Repeaters) ........577.4.1 UIDIGI.............................................. 577.4.2 UIFLOOD......................................... 587.4.3 UITRACE ......................................... 587.4.4 Configuration Examples (USA)........ 597.4.5 Proper Configuration(written by Bob Bruninga,WB4APR) ........................................ 607.5 Packet Path ......................................627.5.1 New-N Paradigm ............................. 627.5.2 RELAY Paradigm............................. 627.5.3 STATE/ SECTION/ REGION ........... 638 MCP-4A MEMORY CONTROLPROGRAM (FOR USE WITHTH-D72A/E)..................................... 648.1 Downloading and InstallingMCP-4A............................................658.2 Main Functions of MCP-4A ..............688.2.1 Useful Functions of MCP-4A ........... 688.2.2 Functions Only Configurable byMCP-4A ........................................... 688.3 Reading a File ..................................698.3.1 Reading a File Created withMCP-4A ........................................... 698.3.2 Importing Other MCP Files intoMCP-4A ........................................... 698.4 Reading GPS Log Data....................708.4.1 Reading GPS Log Data fromTH-D72A/E ...................................... 708.4.2 Managing the Read GPS LogData ................................................. 718.4.3 Converting to KML or GPX FileFormat ............................................. 728.5 Introduction to Main Functions .........738.5.1 Simple Operation ............................. 738.5.2 Graphical Display ofSmartBeaconing .............................. 738.5.3 Changing the Font Sizes ................. 748.5.4 Setting your Callsign ........................ 748.5.5 Exporting .hmk Files ........................ 748.5.6 Configuring RSS .............................. 748.5.7 Changing the Power-on BitmapImage ............................................... 758.5.8 Configuring the Character String forthe Power-on Password................... 759 HOW TO UPDATE FIRMWARE ...... 769.1 Firmware .......................................... 769.2 Verifying Necessary Equipment ....... 769.3 How to Verify Firmware Version....... 779.3.1 Checking with the Transceiver......... 779.3.2 Checking with MCP-4A .................... 779.4 How to Get LatestFirmware/Software ........................... 789.5 How to Update ................................. 7810 MISCELLANEOUS TOPICS .......... 7910.1 AvMap (Don Arnold, W6GPS).......... 7911 APPENDIX ..................................... 81