Signal to Noise Ratio (SNR) Updated 19 April 2018 10:40 Follow The ratio of incoming signal strength to the amount of interfering noise as measured in decibels on a logarithmic scale. Related articles How does GNSS work? GNSS Ranging What VERIPOS beams are available for system's interfaced to Fleet and Fleet Broadband Inmarsat system? What version of GNSS card is installed in my LD6? Comments 0 comments Please sign in to leave a comment.