Garmin GPSMAP 421/421s Technical Reference - Page 15
Browse online or download pdf Technical Reference for Marine GPS System Garmin GPSMAP 421/421s. Garmin GPSMAP 421/421s 42 pages. Marine navigation equipment
Also for Garmin GPSMAP 421/421s: Installation Instructions Manual (12 pages), Reference Manual (2 pages), Important Safety Information (48 pages), Installation Instructions Manual (28 pages), Template Manual (2 pages), Declaration Of Conformity (1 pages)
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Category
Data Type
Cardinal Wind Direction
Beaufort Scale
Sunrise/Sunset
Sailing
Apparent Wind Speed
Apparent Wind Angle
True Wind Speed
True Wind Angle
Wind VMG (Velocity Made Good) 130306 - Wind Data and 128259 - Water Speed (If a
Waypoint VMG
Maximum Apparent Wind Speed
Maximum True Wind Speed
Opposite Tack Heading
(Continued)
Technical Reference for Garmin NMEA 2000 Products
PGN Data Required
130306 - Wind Data, 129026 - COG/SOG, 129029
- GNSS Position, 127250 - Vessel Heading, and
128259 - Water Speed
(If a Heading Sensor and Water Speed Sensor are
not present, a less-accurate reading can be calculated
using only the Wind Sensor and GPS antenna
[006 - Wind Data, 2026 - COG/SOG and
202 - GNSS Position])
(If a GPS antenna is not present, a less-accurate
reading can be calculated using only the Wind Sensor,
Water Speed Sensor, and Heading Sensor [006
- Wind Data, 2720 - Vessel Heading, and 22
- Water Speed])
130306 - Wind Data, 129026 - COG/SOG, 129029
- GNSS Position, 127250 - Vessel Heading, and
128259 - Water Speed
(If a Heading Sensor and Water Speed Sensor are
not present, a less-accurate reading can be calculated
using only the Wind Sensor and GPS antenna
[006 - Wind Data, 2026 - COG/SOG and
202 - GNSS Position])
(If a GPS antenna is not present, a less-accurate
reading can be calculated using only the Wind Sensor,
Water Speed Sensor, and Heading Sensor [006
- Wind Data, 2720 - Vessel Heading, and 22
- Water Speed])
129026 - COG/SOG and 129029 - GNSS Position
130306 - Wind Data
130306 - Wind Data
130306 - Wind Data and 128259 - Water Speed (If a
Water Speed Sensor is not present, a less-accurate
reading can be calculated using a GPS antenna
instead [2026 - COG/SOG and 202 - GNSS
Position])
130306 - Wind Data and 128259 - Water Speed (If a
Water Speed Sensor is not present, a less-accurate
reading can be calculated using a GPS antenna
instead [2026 - COG/SOG and 202 - GNSS
Position])
Water Speed Sensor is not present, a less-accurate
reading can be calculated using a GPS antenna
instead [2026 - COG/SOG and 202 - GNSS
Position])
129284 - Nav Data
130306 - Wind Data
130306 - Wind Data and 128259 - Water Speed (If a
Water Speed Sensor is not present, a less-accurate
reading can be calculated using a GPS antenna
instead [2026 - COG/SOG and 202 - GNSS
Position])
130306 - Wind Data, 127250 - Vessel Heading, and
128259 - Water Speed (If a Water Speed Sensor is
not present, a less-accurate reading can be calculated
using a GPS antenna instead [2026 - COG/SOG
and 202 - GNSS Position])
General NMEA 2000 Data Type Requirements
Typical Sender
Either:
•
Wind Sensor, a Water Speed
Sensor, a Heading Sensor, and a
GPS Antenna
•
Wind Sensor and a GPS Antenna
•
Wind Sensor, a Water Speed
Sensor, and a Heading Sensor
Either:
•
Wind Sensor, a Water Speed
Sensor, a Heading Sensor, and a
GPS Antenna
•
Wind Sensor and a GPS Antenna
•
Wind Sensor, a Water Speed
Sensor, and a Heading Sensor
GPS Antenna
Wind Sensor
Wind Sensor
Either a Wind Sensor and Speed Sensor
or a Wind Sensor and a GPS Antenna
Either a Wind Sensor and Speed Sensor
or a Wind Sensor and a GPS Antenna
Either a Wind Sensor and Speed Sensor
or a Wind Sensor and a GPS Antenna
Garmin Chartplotter and GPS Antenna
Wind Sensor
Either a Wind Sensor, a Heading Sensor,
and Speed Sensor or a Wind Sensor, a
Heading Sensor, and a GPS Antenna
Either a Wind Sensor and both Water
Speed and Heading Sensors, or a Wind
Sensor and a GPS Antenna