Onwa KP-39A 7-inch GPS Chart Plotter with Class B+ AIS Transponder

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

8,000 points automatic track log;
10 saved tracks (up to 8000 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

1000 Automatically saved tracks (100 points each)
10 Manually saved tracks (300 points each)

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

Satellite System

GPS and Beidou

Dynamics

Altitude: 18,000 m
Velocity: 515 m/s

Datum

WGS 84 & user defined

Antenna

GPS Patch Antenna

GPS Interface 

GSP Data

RS232 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 Interface 

AIS Data

RS232 output VDO, VDM, GGA, GSA, GSV and VTG

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

<-107 dBm @ 20% PER

RX Message Format

AIS Class A and B messages

Comply Standard

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

NMEA 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

Power Supply 

10.5 to 30VDC, current drain 1.5A at 12V

PHYSICAL 

Size

187mm(H)X250.1mm(W)X88mm(D)

Weight

1.03 kg

Display

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

Waterproofing

Display unit: 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