Automatic Position Reporting System (APRS)

Contents:

• PREAMBLE
• AUTHORS’ FOREWORD
• THE STRUCTURE OF THIS SPECIFICATION
• INTRODUCTION TO APRS
• THE APRS DESIGN PHILOSOPHY
• APRS AND AX.25
• APRS DATA IN THE AX.25 DESTINATION AND SOURCE ADDRESS FIELDS
• APRS DATA IN THE AX.25 INFORMATION FIELD
• TIME AND POSITION FORMATS
• APRS DATA EXTENSIONS
  • PHG Codes
  • DFS Codes
• POSITION AND DF REPORT DATA FORMATS
• COMPRESSED POSITION REPORT DATA FORMATS
• MIC-E DATA FORMAT
• OBJECT AND ITEM REPORTS
• WEATHER REPORTS
• TELEMETRY DATA
• MESSAGES, BULLETINS AND ANNOUNCEMENTS
• STATION CAPABILITIES, QUERIES AND RESPONSES
• STATUS REPORTS
• NETWORK TUNNELING AND THIRD-PARTY DIGIPEATING
• USER-DEFINED DATA FORMAT
• OTHER PACKETS
• APRS SYMBOLS
• APPENDIX 1: APRS DATA FORMATS
• APPENDIX 2: THE APRS SYMBOL TABLES
  • APRS SYMBOL TABLES (continued)
  • APRS SYMBOL TABLES (continued)
• APPENDIX 3: 7-BIT ASCII CODE TABLE
• APPENDIX 4: DECIMAL-TO-HEX CONVERSION TABLE
• APPENDIX 6: REFERENCES
• APPENDIX 7: DOCUMENT RELEASE HISTORY

Indices and tables

• Index

• Module Index

• Search Page