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dKart
Navigator electronic navigation chart system may use a wide range of
external navigation sensors as source of positioning information. One of the
possible choices is the GPS (Global Positioning System) receiver. dKart
Navigator is able to work with all NAVSTAR GPS receivers available on the market
that use IEC 61162-1 (NMEA-0183) protocol of data transmission. The
corresponding information is used for own ship's position, course and speed
calculations and displaying. Also it is possible to use differential type of
GPS-receiver (so called DGPS) that provides higher accuracy of positioning (More).
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The positioning information can
also be received from LORAN-C / DECCA land-based systems. dKart Navigator is able to
work with all receivers available on the market that use IEC 61162-1 (NMEA-0183)
protocol of data transmission. The corresponding information is used for own
ship's position, course and speed calculations and displaying. It is also
possible to use several positioning systems simultaneously that provides a
simple way to check correctness of one positioning system functionality against
the another as well as diagnose possible failures.
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When a speed log & a compass
are switched to dKart Navigator system, it will display incoming data on
ship’s speed and heading. If you operate a GPS-receiver (AIS-transponder,
ARPA, DECCA or LORAN-C), then two vectors will be simultaneously displayed on
the chart. One of them is the true motion vector, calculated relative to a
seabed, the other one is the motion vector calculated according to the speed log
& a compass data (More).
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dKart Navigator system is
able to work with the Global Navigation Satellite System’s (GLONASS) receiver,
which is used as a data source on ship’s position and movement. This receiver
provides information in accordance with the IEC 61162-1 (NMEA-0183) protocol (More).
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The NAVTEX is a system designed
for navigation warnings dispatching. These warnings include Navigational,
Meteorological and Ice ones, Search & Rescue (S&R) Data and
Meteorological Forecast. The warnings are represented as alphanumeric data.
These warnings are sent in 516 kHz medium frequency band. dKart Navigator
system receives messages incoming from a NAVTEX receiver and displays them at a
monitor screen.
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The 4.x, 5.x and 6.x versions of dKart
Navigator system allow connecting of the ARPA and MINI-ARPA radars. The
interaction is carried out on the basis of the IEC 61162-1 (NMEA-0183) protocol.
The auto-tracked targets are
displayed on ENC. The system carries out continuous traffic safety control in
reference to all the targets displayed by the ARPA radar by using on-chart color
indication of the objects. While using the dKart Navigator system a
navigator can get information on all the main elements of a track including a
heading, speed, bearing distance, the shortest approach distance, etc.
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The “AIS-transponder”
Automatic Targets Identification Systems are designed to provide navigators with
the most precise and detailed data on all the targets that had been detected.
Besides ship’s absolutely precise heading and speed data due to the fact that
they had been sent by the ship herself, the AIS information allows to obtain
data on the ship’s name, ship owner’s name, ship’s displacement and
dimensions, the route and the type of transported cargo. Such information may be
useful, e.g. for a route planning or for defining of radar invisible targets.
The 4.x, 5.x and 6.x options of
the dKart Navigator system have been designed for connection of
UAIS and SAAB transponders.
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All versions of dKart
Navigator system provide an autopilot connection. The autopilot is designed
for automatic holding of a ship at a route line while navigating along the
planned route or to a temporary waypoint.
The dKart Navigator system
interacts with the autopilot on the basis of the IEC 61162-1 (NMEA-0183)
protocol.
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All versions of
dKart Navigator system provide the possibility for an echosounder
connection. dKart Navigator interacts with the echosounder on the basis
of the IEC 61162-1 (NMEA-0183) protocol. The incoming data are used by the
system to warn a navigator of hazardous depth. The echosounder data are saved by
the system and can be displayed as a bottom relief curve.
The 6.x version of the system is
capable of survey worksheets automatic formation basing on echosounder data. The collected data can be
directly displayed on an ENC. If necessary you can update the data manually.
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