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[gpsd-dev] [PATCH] Clean up and update NMEA.txt
From: |
Sanjeev Gupta |
Subject: |
[gpsd-dev] [PATCH] Clean up and update NMEA.txt |
Date: |
Wed, 8 Apr 2015 03:12:42 +0800 |
List sentences obsoleted in 2010
Change description of document
Typo and readthrough fixes
asciidoc checked
---
www/NMEA.txt | 139 ++++++++++++++++++++++++++++++++++-------------------------
1 file changed, 80 insertions(+), 59 deletions(-)
diff --git a/www/NMEA.txt b/www/NMEA.txt
index 8b4c52d..12a3256 100644
--- a/www/NMEA.txt
+++ b/www/NMEA.txt
@@ -1,8 +1,8 @@
= NMEA Revealed =
-:description: A programmer's guide to NMEA0183, the GPS protocol standard
+:description: A programmer's guide to NMEA0183, the GPS protocol reporting
standard
:keywords: NMEA0183, GPS, standard, protocol
Eric S. Raymond <address@hidden>
-v2.18, Apr 2015
+v2.19, Apr 2015
NMEA 0183 is a proprietary protocol issued by the National Marine
Electronics Association for use in boat navigation and control
@@ -271,8 +271,8 @@ the following are well known:
|GA | Galileo Positioning System
|GL | GLONASS, according to IEIC 61162-1
|GN | Mixed GPS and GLONASS data, according to IEIC 61162-1
-|GB | Beidou regional GPS augmentation system (China)
-|BD | Beidou regional GPS augmentation system (China)
+|GB | BeiDou (China)
+|BD | BeiDou (China)
|QZ | QZSS regional GPS augmentation system (Japan)
|================================================================
@@ -313,7 +313,8 @@ Here is a more complete list of talker ID prefixes. Most
are not
relevant to GPS systems.
Note that talker IDs made obsolete by newer revisions of the
-standards may still be emitted by older devices.
+standards may still be emitted by older devices. Support
+for them may be present in the GPSD project.
.Big list of talker IDs
|================================================================
@@ -436,32 +437,38 @@ table:
| 55 - 64 | not used (might be assigned to further SBAS systems)
| 65 - 88 | GLONASS
| 89 - 96 | GLONASS (future extensions?)
-| 97 - 192 | not used (SBAS PRNs 120-151 fall here)
+| 97 - 119 | not used
+| 120 - 151 | not used
+| 152 - 192 | not used
| 193 - 195 | QZSS
| 196 - 200 | QZSS (future extensions?)
-| 201 - 235 | Beidou
+| 201 - 235 | BeiDou
|====================================================
-
-QZSS is a geosynchronous (*not geostationary*) system of three
-(possibly four) satellites in highly eliptical, inclined, orbits. It
-is designed to provide coverage in Japan's urban canyons.
-
-Beidou-1 consists of 4 geostationary satellites operated by China,
+
+GLONASS satellite numbers come in two flavors. If a sentence
+has a GN 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
+a multi-constellation skyview with GLONASS IDs aleady in
+the 65-96 range
+
+QZSS is a geosynchronous (*not geostationary*) system of three
+(possibly four) satellites in highly eliptical, inclined,
+orbits. It is designed to provide coverage in Japan's
+urban canyons.
+
+BeiDou-1 consists of 4 geostationary satellites operated by China,
operational since 2004. Coverage area is the Chinese mainland.
-Beidou-2 (also known as COMPASS) is a system of 35 satellites,
-including 5 geostationary for compatibility with BeiDou-1. It is
-expected to be fully operational by 2019. Coverage area is worldwide.
-
-GLONASS satellite numbers come in two flavors. If a sentence has a
-GN talker ID, expect the skyviews to be GLONASS-only and in the
-range 1-32; you must add 64 to get a globally-unique ID. If the
-sentence has a GL talker ID, the device emits a multi-constellation
-skyview with GLONASS IDs aleady in the 65-96 range
+BeiDou-2 (also known as COMPASS) is a system of 35 satellites,
+including 5 geostationary for compatability with BeiDou-1. It is
+expected to be fully operational by 2019. Coverage area is
+expected to be worldwide.
== Obsolete sentences ==
-Note that sentances made obsolete by newer revisions of the
+Note that sentances made obsolete by newer revisions of the
standards may still be emitted by devices.
+Support for them may be present in the GPSD project.
The following NMEA sentences have been designated "obsolete" in a
publicly available NMEA document dated 2009.
@@ -472,46 +479,60 @@ publicly available NMEA document dated 2009.
|BPI | Bearing & Distance to Point of Interest
|DBK | Depth Below Keel
|DBS | Depth Below Surface
-|
|DRU | Dual Doppler Auxiliary Data
|GDA | Dead Reckoning Positions
-|GLA | Loran-xC Positions
-|GOA | OMEGA Positions
-|GXA | TRANSIT Positions
-|GTD | Geographical Position, Loran-C TDs
-|GXA | TRANSIT Position
-|HCC | Compass Heading
-|HCD | Heading and Deviation
-|HDM | Heading, Magnetic
-|HDT | Heading, True
-|HVD | Magnetic Variation, Automatic
-|HVM | Magnetic Variation, Manually Set
-|IMA | Vessel Identification
-|MDA | Meteorological Composite
-|MHU | Humidity
-|MMB | Barometer
-|MTA | Air Temperature
-|MWH | Wave Height
-|MWS | Wind & Sea State
-|
-|Rnn | Routes
-|SBK | Loran-C Blink Status
-|SCY | Loran-C Cycle Lock Status
-|SCD | Loran-C ECDs
-|SDB | Loran-C Signal Strength
-|SGD | Position Accuracy Estimate
-|SGR | Loran-C Chain Identifier
-|SIU | Loran-C Stations in Use
-|SLC | Loran-C Status
-|SNC | Navigation Calculation Basis
-|SNU | Loran-C SNR Status
-|SPS | Loran-C Predicted Signal Strength
-|SSF | Position Correction Offset
-|STC | Time Constant
-|STR | Tracking Reference
-|SYS | Hybrid System Configuration
+|GLA | Loran-C Positions
+|GOA | OMEGA Positions
+|GXA | TRANSIT Positions
+|GTD | Geographical Position, Loran-C TDs
+|GXA | TRANSIT Position
+|HCC | Compass Heading
+|HCD | Heading and Deviation
+|HDM | Heading, Magnetic
+|HDT | Heading, True
+|HVD | Magnetic Variation, Automatic
+|HVM | Magnetic Variation, Manually Set
+|IMA | Vessel Identification
+|MDA | Meteorological Composite
+|MHU | Humidity
+|MMB | Barometer
+|MTA | Air Temperature
+|MWH | Wave Height
+|MWS | Wind & Sea State
+|Rnn | Routes
+|SBK | Loran-C Blink Status
+|SCY | Loran-C Cycle Lock Status
+|SCD | Loran-C ECDs
+|SDB | Loran-C Signal Strength
+|SGD | Position Accuracy Estimate
+|SGR | Loran-C Chain Identifier
+|SIU | Loran-C Stations in Use
+|SLC | Loran-C Status
+|SNC | Navigation Calculation Basis
+|SNU | Loran-C SNR Status
+|SPS | Loran-C Predicted Signal Strength
+|SSF | Position Correction Offset
+|STC | Time Constant
+|STR | Tracking Reference
+|SYS | Hybrid System Configuration
|================================================================
+The following NMEA sentences have been designated "obsolete" by
+IEC 61162-1:2010.
+Support for them may be present in the GPSD project.
+
+|================================================================
+|ALM | Almanac data from satellite navigation systems
+|DCN | DECCA data
+|DSI | DSC transponder
+|DSR | DSC transponder
+|GLC | LORAN data
+|GMP | Land use of map projection
+|LCD | LORAN data
+|MLA | Almanac data from satellite navigation systems
+|================================================================
+
+
== NMEA-Standard Sentences ==
Here are the NMEA-standard sentences we know about:
--
2.1.4
- [gpsd-dev] [PATCH] Clean up and update NMEA.txt,
Sanjeev Gupta <=