B&G H1000 NMEA Interface - Manual (Page 6)

supported NMEA sentences (v2.40), continued
B&G proprietary NMEA input (received) summary
NMEA Sentence Message Description
PBGTTBS Polar speed (knots)
PBGTLAY Distance and Time to Lay-Line
PBGTVMG Angle for best VMG upwind (polar)
Upwind heading for best VMG (polar)
Downwind heading for best VMG (polar)
NMEA output (transmitted) summary
NMEA Sentence Message Description
DPT Transducer Depth and Offset
GGA Global Positioning System Fix Data
GLL Geographic Position, Latitude and Longitude
HDG Heading Magnetic, Deviation and Variation
HDM Heading, Magnetic
HDT Heading, True
MTW Water Temperature, °C
MWD Wind Direction and Speed (TWD °M / °T and TWS)
MWV Wind Speed and Angle (AWS and AWA, flag set to R)
RMB Recommended minimum navigation information
RMC Recommended minimum specific GNSS data
VHW Water Speed and Heading ( °M / °T)
VLW Distance Travelled through the Water
VTG Course Over Ground and Speed Over Ground