From 50757716cb3ce978a8c9c7655a370ba38f61e2ff Mon Sep 17 00:00:00 2001
From: "Gary E. Miller" <gem@rellim.com>
Date: Thu, 7 Mar 2019 19:54:40 -0800
Subject: NMEA.adoc: Add new GNS field.

---
 www/NMEA.adoc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'www')

diff --git a/www/NMEA.adoc b/www/NMEA.adoc
index 6c2ab428..d61f27e3 100644
--- a/www/NMEA.adoc
+++ b/www/NMEA.adoc
@@ -1127,7 +1127,12 @@ Field Number:
 10. Goeidal separation meters
 11. Age of diferential data
 12. Differential reference station ID
-13. Checksum
+13. Navigational status (optional)
+    S = Safe
+    C = Caution
+    U = Unsafe
+    V = Not valid for navigation
+14. Checksum
 
 The Mode indicator is two or more characters, with the first and second
 defined for GPS and GLONASS.  Further characters may be defined.  For
-- 
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