Nmea Data Format - VDO Logic Log Depth Montageanleitung Und Bedienungsanleitung

The NMEA data format
explained by examples
DBT= Depth Below Transducer
$IIDBT,14,f,4.4,m,2.4,F
$IIDBT, a, f, b, m, c, F
a depth below transducer
f feet
b depth below transducer
m Meter
c depth below transducer
F Fathoms
DPT= Depth
$IIDPT,4.4,+0.5
$IIDPT, a, b
a depth below transducer
b positive: diestance transducer to water-line (0,5 m)
negative: diestance transducer to keel
VHW= Water Speed and Heading
$IIVHW,147,T,147,M,5.5,N,10.2,K
$IIVHW,a, T, b, M, c, N, d, K
a Heading, True
T True
b Heading, Magnetic
M Magnetic
c boat speed
N Knots
d boat speed
K km/h
NMEA- SCHNITTSTELLE
(14 feet)
(4,4 m)
(2,4 fathoms)
(4,4 m)
(147°)
(147°)
(5,5 kn)
(10,2 km/h)
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