4. Connect one end of the LMR400 cable to the GNSS connector port (labeled GNSS) on the TB-1 GNSS receiver and
the other end to the GNSS antenna.
Install the GNSS Antenna
You must install a Global Navigaon Satellite System (GNSS) antenna to ensure opmal signal recepon. For informaon
about antenna installaon guidelines, see
GNSS Antenna Installaon
in the TB-1 Operaon Manual.
To enable the Furuno TB-1 GNSS receiver, connect to the Furuno AU-217 antenna. For informaon about installing the
AU-217 antenna, see GNSS Antenna AU-217 Installaon Procedure.
Gain and Noise Figure (NF) Calculaon
To calculate the total gain and NF, see GNSS Antenna Installaon Appendix on the Furuno data download page.
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