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-rw-r--r--www/NMEA.txt7
1 files changed, 6 insertions, 1 deletions
diff --git a/www/NMEA.txt b/www/NMEA.txt
index 1fcb2557..0f9ee27e 100644
--- a/www/NMEA.txt
+++ b/www/NMEA.txt
@@ -1,6 +1,6 @@
= NMEA Revealed =
Eric S. Raymond <esr@thyrsus.com>
-v2.13, Nov 2013
+v2.14, May 2014
NMEA 0183 is a proprietary protocol issued by the National Marine
Electronics Association for use in boat navigation and control
@@ -100,6 +100,7 @@ FAA Mode Indicator
M = Manual Input Mode
S = Simulated Mode
N = Data Not Valid
+ P = Precise (4.00 and later)
This field may be empty. In pre-2.3 versions it is omitted. <<NTUM>> says
that according to the NMEA specification, it dominates the Status field --
@@ -2367,3 +2368,7 @@ Described in <<MALTESE>>, actually a Maltese government document.
- [[[MALTESE]]]
"Procurement of a Fixed-Wing Maritime Patrol Aircraft"
https://secure2.gov.mt/eprocurement/Tenders/file.ashx?f=9832DB05E65C774258580284031EC72CC315D954A7108B5E.
+
+- [[NMEA-ADVANCE]]
+ "NMEA 0183 Advancements" (describes 'P' value of FAA mode)
+ http://www.nmea.org/Assets/0183_advancements_nmea_oct_1_2010%20(2).pdf