AIS class B Transponder +Chartplotter SOTDMA NMEA2000 KP-25A ONWA

Onwa KP-27A

GPS chart plotter with built in AIS class B+ transponder,

5 inch display, NMEA0183 + NMEA2000 interface,

supports K-Charts, Navionics+, C-Map MAX,

GPS patch antenna, mounting bracket and sun cover included

Specifications

Plotter Characteristics

Waypoints/icons

12,000 user waypoints with name, symbol,

3 system waypoints: MOB,Start,cursor

10 proximity waypoints

Routes

30 routes waypoint up to 170 points each,

plus MOB and Track Navigation or Goto Track modes

Tracks

16,000 points automatic track log;

10 saved tracks (up to 16,000 track points each)

lets you retrace your path in both directions

Alarms

XTE, Anchor drag, arrival, speed, voltage, proximity waypoint,

Timer and AIS (CPA and TCPA) alarm

Drawing

1000 Drawing Marks; 2000 Drawing Lines (40 points each);

1000 Drawing Place Name; 8 colors for Drawing

Pallete

Normal

Daylight exposed to sunlight

Night in dark environment

NOAA paperchart colors

Tides

Built-in Worldwide Tide Data

Position Format

Lat/Lon

Basemap

Worldwide

External Map

Compatible with K-Chart 2.0, K-Chart 3.0, C-Map Max and Navionics+

User Data Storage

Internal backup of user settings or external SD-card

Plot Interval

5secs to 60 mins or 0.01 to 10nm

Plotting Scales

0.001 to 700nm

AIS

700 targets display

AIS Target Tracking

10 Manually saved tracks (300 points each)

AIS Messaging

ONWA AIS to ONWA AIS

Perspective view

On/off (available for C-Map only)

Celestial

Sunrise/Sunset Moonrise/Moonset

GPS Receiver Characteristics

Receiver

50 parallel channel GNSS receiver continuously tracks and

uses up to 50 satellites to compute and update your position

Acquisition time

Cold start: 29 seconds

Hot start: 1 second

Update rate

1 second

Accuracy

Position:3 meters(95%) without S/A

Velocity: 0.1 meter/sec without S/A

SBAS

Supported

GNSS

GPS and Beidou

Dynamics

Altitude: 18,000 m

Velocity: 515 m/s

Datum

WGS 84 & user defined

Antenna

GPS Patch Antenna

GPS Interface (NMEA0183)

GPS Data

RS422 input/output, NMEA 0183 V3.01 and V4.11

GPS Input Baudrate

Auto Scan (4800, 9600, 19200 and 38400)

GPS Output Baudrate

Selectable among 4800, 9600, 19200 and 38400

AIS Output Baudrate

38,400

AIS Characteristics

Frequency Rate

156.025 MHz~162.025 MHz

Access Scheme

SOTDMA

Channel Bandwidth

25 KHz

Modulation

GMSK

Data Rate

9,600 bps

Number of AIS Transmitter

1

Number of AIS Receiver

2

AIS Channel 1

CH 87B (161.975 MHz)

AIS Channel 2

CH 88B (162.025 MHz)

Tx Power Output

>5 Watt (37 dBm ± 1.5 dB)

RX Sensitivity

>123dBm at 20% PER

RX Message Format

AIS Class A and B messages

Comply Standard

IEC-62287 IEC 62287-2 Ed. 2.0:2017

NMEA0183 Sentence Supported

INPUT

(Auto scan Baudrate)

GGA, GLL, GSA, GSV, RMC, HDG, HDM, HDT

VTG, ZDA, MTW, VWR, VWT, MWD, VPW, VHW

TLL, TTM, VDO, VDM, GNS, MTA

RMA, DBT, DPT, MWV, BWC, XTE, ZDL, WPL, AAM,

APB, BOD, RMB, DSC, MDA, RPM, XDR

OUTPUT

Baudrate: Selectable 4800, 9600, 19200, 38400

GGA, GLL, RMC, GSA, GSV, AAM, APA

APB, BOD, BWC, BWR, DBT, DPT, HDT

MTW, RMB, TLL, VTG, WPL, XTE, ZDA

ZTG, ZDL, MWD, VPW, VWR, VWT

OUTPUT for Autopilot

APA, APB, BOD, XTE

NMEA2000 and ONENET supported PGN

GNSS/GPS (Position, SOG, COG, Heading…), AIS(class B, class A, AIS safety…), Sounder(Depth), Navigation (Heading, Speed, Rudder..), Environment (Wind)

Power Supply

10.5 to 34VDC, current drain <1.0A at 12V

PHYSICAL

Size

143mm(H) X 215mm(W) X 63mm(D)

Weight

1.0 kg

Display

5-inch Color TFT dayview LCD, 800×480 pixels

Waterproofing

Display unit (Front Panel): IP66

Antenna unit: IP66

Temperature range

Display unit: -15℃ to +55℃

Antenna unit: -25℃ to +70℃

Equipment List

Display unit

Quick manual

GPS Patch Antenna with 4m cable (SMA connector)

Mounting Brackets

Standard accessories pack