Garmin echoMAP 40/50 Series, Installation Instructions Manual, Page: 5 / 6

Type Sentence Description
DSC Digital selective calling
information
DSE Expanded digital selective calling
HDG Heading, deviation, and variation
HDM Heading, magnetic
MWD Wind direction and speed
MDA Meteorological composite
MWV Wind speed and angle
VDM AIS VHF data-link message
You can purchase complete information about National Marine
Electronics Association (NMEA) format and sentences from: NMEA,
Seven Riggs Avenue, Severna Park, MD 21146 USA (
www.nmea.org )
Garmin ® and the Garmin logo are trademarks of Garmin Ltd. or its subsidiaries, registered
in the USA and other countries. echoMAP ™ is a trademark of Garmin Ltd. or its
subsidiaries. These trademarks may not be used without the express permission of
Garmin.
NMEA
®
is a registered trademark of the National Marine Electronics Association.
echoMAP 40/50 Series Installation Instructions 5