Hardware logger

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Water depth
The project
Measuring strategy
Upload NMEA-data
Upload meta data
Connecting NMEA-Logger
Hardware Logger
Software Logger
Mobile sounder
Ship network
Data formats


Some chart plotters and other navigation tools are able to log water depths in a native way.

In order to do this, some chart plotters have an integrated SD-chart-slot and write the data direcly to the SD-chart,
other plotters use an USB-, LAN-, or WLAN-interface and can be connected directly to a laptop.
It is crucial that the output data include at least the GPS position, the GPS time and date, and the water depth.

For all other plotters:

NMEA-2000

For NMEA-2000 plotters or Seatalk-NG plotters you can use the 2K-Logger.

NMEA-0183, Seatalk-01

For all plotters with NMEA-0183-interface or for all Seatalk-01 plotters you can use the OpenSeaMap 2-channel logger.
Alternatively you can connect the logger directly to a sounder and a GPS device.

OpenSeaMap 2k-Logger

2k-Logger for NMEA-2000 and Seatalk-NG

The commercial 2k-Hardware-logger are available in two versions from Busse-Yachtshop:

NMEA-2000 189 € order...
Seatalk-NG 189 € order...

The small device looks lika an USB-charger for cars. You can simply connect it to your bus system.
A Micro-SD-card stores your voyage data for about 200 days with 32 GB.
The data can be filtered and analysed by software as you wish.
You can upload the depth data from your PC directly to our server at depth.OpenSeaMap.

Datasheet (English)
Manual (English)

OpenSeaMap NMEA-0183 Logger

NMEA-0183 Logger

You can order our hardware-logger for 30 € (cost price).

This logger is available in two versions:

2 channels with NMEA-0183 30 € order...
channel A with NMEA-0183
channel B with Seatalk-01
incl. Seatalk-adapter
50 € order...

The data will be stored on a SD-chard.
Power 12 V, max. consumption about 150 mA.

In addition, the device includes a Gyro and accelerometer.
With this we get an information about waves and ship movements.

The corresponding GPS- and sounder-data are stamped with an internal milli-second clock so that we can connect them correctly.

Manual, with installation guide
Developer page

Device list

With this devices from Raymarine, Lowrance, Garmin, Hummingbird, B&G und Simrad you can log waterdepths directly:

Bitte melde weitere Geräte. Tests und Tips sind immer willkommen :-)

Manufacturer Type Model ok tested Aoutput Format Remarks
Weatherdock AIS easyTRX-2 A034 Ok.png SD NMEA-0183 if sounder and GPS are connected via NMEA
Weatherdock AIS easyTRX-2 IS A050 Ok.png SD NMEA-0183 if sounder and GPS are connected via NMEA
Lowrance Plotter HDS7-Gen2 Ok.png  ? NMEA-0183 mit eingebautem GPS und Echolot
Raymarine AIS AIS 650 Ok.png SD if sounder and GPS are connected via NMEA
Raymarine Plotter (MFD) C-wide
E-wide
C/E classic
SD FSH if sounder and GPS are connected via NMEA
Raymarine Plotter (MFD) new a-series
new c-series
new e-series
Ok.png microSD FSH/GPX if sounder and GPS are connected
Raymarine Plotter c127 Ok.png Ok.png MicroSD FSH
Raymarine Plotter div. Ok.png MicroSD SDF Lighthouse II, R10 or newer needed
Raymarine Display ST70 Multidisplay Ok.png MicroSD NMEA-0183 HW- oder SW-Logger erforderlich
Garmin Plotter EchoMap-Serie Ok.png SD ADM with built-in GPS and sounder
Garmin Plotter GPSMAP 420 Ok.png SD ADM if sounder and GPS are connected
Garmin Plotter GPSMAP 420s Ok.png SD ADM if GPS connected
Garmin Plotter GPSMAP 520 Ok.png SD ADM if sounder and GPS are connected
Garmin Plotter GPSMAP 520s Ok.png SD ADM if GPS connected
Garmin Plotter GPSMAP 526 Ok.png SD ADM if sounder and GPS are connected
Garmin Plotter GPSMAP 526s Ok.png SD ADM if GPS connected
Garmin Plotter GPSMAP Touch Ok.png SD ADM if GPS connected
Humminbird Plotter all with "Precision GPS" Ok.png SD SON
B&G Plotter Zeus Ok.png if sounder and GPS are connected
B&G Plotter Zeus2 Ok.png if sounder and GPS are connected
B&G Plotter Zeus Touch Ok.png if sounder and GPS are connected
Simrad Plotter NSS Ok.png if sounder and GPS are connected
Simrad Plotter NSO Ok.png if sounder and GPS are connected
Simrad Plotter NSO evo2 Ok.png if sounder and GPS are connected
Simrad Plotter NSE 8 Ok.png if sounder and GPS are connected
Simrad Plotter NSE 12 Ok.png if sounder and GPS are connected
NASA Clipper Display Clipper Depth Ok.png + Arduino! NMEA-0183 see "NASA_Clipper_Range and Arduino"
...
...

Only with Multiplexer usable devices

With this devices you need an additional Multiplexer:

Hersteller Typ Bemerkung
Weatherdock alle WLAN-AIS-Geräte external Multiplexer needed

Self-made solutions

Tips

Logging with Lowrance (Russian youtube-video)