SDR-BASED APRS TRACKER SDR-BASED APRS TRACKER INTRODUCTION What - PowerPoint PPT Presentation

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EOSS PRESENTATION SDR-BASED APRS TRACKER SDR-BASED APRS TRACKER INTRODUCTION What APRS application to aid trackers in payload recovery Primary Features Software based (no traditional radios) Simultaneous reception of multiple

EOSS PRESENTATION SDR-BASED APRS TRACKER
SDR-BASED APRS TRACKER INTRODUCTION What • APRS application to aid trackers in payload recovery Primary Features • Software based (no traditional radios) • Simultaneous reception of multiple frequencies • Offline maps • Landing predictions • Receive only, nothing is transmitted over the air
SDR-BASED APRS TRACKER CORE CONCEPT APRS Packets 144.390MHz 144.340MHz 144.905MHz ... PROCESSING PROCESSING Graphical Interface Database APRS Packets 145.645MHz 145.710MHz 145.535MHz • ... Data Acquisition Data Storage Presentation
SDR-BASED APRS TRACKER BLOCK DIAGRAM GnuRadio Aprsc RTL-SDR Dire Wolf USB stick Antenna TrackPoint • APRSISCE • APRS Packet Data YAAC • Xastir • Internet (if igating) • APRS database Web Web Server Clients OpenStreetMap database and tile server Uses Javascript and Leaflet library for mapping
SDR-BASED APRS TRACKER THE 411 COMPUTER CREATES ITS SDR AND TRACKER OWN WIFI HOTSPOT FUNCTIONALITY RUN (NO INTERNET) ON THE COMPUTER wifi RTL SDR USB Stick usb wifi coax 2m Rx Small Industrial Antenna usb Computer Devices connect wirelessly to the computer all without any Internet GPS Puck connection. Use a web browser on the device of your choice to access the tracker application - no wires!

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