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| -rw-r--r-- | www/NMEA.txt | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/www/NMEA.txt b/www/NMEA.txt index 861b2270..8651ee1f 100644 --- a/www/NMEA.txt +++ b/www/NMEA.txt @@ -2,7 +2,7 @@ :description: A programmer's guide to NMEA0183, the GPS protocol reporting standard :keywords: NMEA0183, GPS, standard, protocol Eric S. Raymond <esr@thyrsus.com> -v2.20, Jan 2016 +v2.21, Jan 2016 NMEA 0183 is a proprietary protocol issued by the National Marine Electronics Association for use in boat navigation and control @@ -460,9 +460,9 @@ table: |==================================================== GLONASS satellite numbers come in two flavors. If a sentence -has a GN talker ID, expect the skyviews to be GLONASS-only and +has a GL talker ID, expect the skyviews to be GLONASS-only and in the range 1-32; you must add 64 to get a globally-unique -NMEA ID. If the sentence has a GL talker ID, the device emits +NMEA ID. If the sentence has a GN talker ID, the device emits a multi-constellation skyview with GLONASS IDs aleady in the 65-96 range. |