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4 navigation data – Navman TRACKER950 User Manual

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TRACKER950 CHARTPLOTTER Installation and Operation Manual

NAVMAN

Latitude and longitude
Latitude and longitude are displayed in degrees and minutes:

Navigation data
Data displayed on the TRACKER950 has three-letter names.

The boat is sailing from the start to the destination and has moved off the original plotted course from the
start to the destination.

BRG

Bearing to destination

Bearing to the destination from the boat.

COG

Course Over Ground

Direction in which the boat is moving over the ground. (Note - When
SOG < 0.2 knot COG is not updated.)

CTS

Course To Steer

Optimum course to steer to return to the original plotted course.

DTG

Distance To Go

Distance from the boat to the destination.

ETA

Expected Time of Arrival

At the destination, assuming that SOG and COG remain constant.

SOG

Speed Over Ground

Current boat speed over the ground. This is not necessarily the
same as the boat speed through the water nor the speed at which
it is approaching the destination.

STR

Steering

The difference between COG and CTS.

TTG

Time To Go

The estimated time to reach the destination.

XTE

Cross Track Error

The distance from the boat to the nearest point of the original plotted
course.

VMG

Velocity Made Good

The speed at which the boat is approaching the destination.

1-4 Navigation data

N or S of equator for
latitude
E or W of zero for longitude

Minutes, 0 to 60, to 3 decimal

places

Degrees

Minutes symbol

Degrees symbol

43

°

12.538

'

N

Current Boat

position

START

DESTINATION