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Maretron

N2KExtractor®

NMEA 2000® data extractor for VDR100

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N2KExtractor® is a software tool, currently offered free of charge with the purchase of a Maretron Vessel Data Recorder (VDR100). N2KExtractor® is used to extract information from the VDR100 removable USB Flash drive for analysis of any, or all, data recorded by the VDR100. Extracted data can be used for performance analysis, vessel tracking, preventative maintenance, warranty incident, and accident investigation, all in an effort to reduce operating cost and improve safety.

N2KExtractor® is able to connect directly to the VDR100 through an Ethernet connection, and extract the data through the Ethernet connection, or can extract the data diretly from the USB drive if the USB drive is plugged into the computer running N2KExtractor®.

N2KExtractor® is also able to connect to Maretron's Telemetric Cloud Service and download the data stored in the Cloud Server.

  • Easily select time period for extracting data with context driven time lines
  • Automatically identify available parameters for data extraction within selected time period
  • Quickly Graph up to four parameters for quick analysis
  • Extract as many parameters as desired to comma delimited file and analysis within Microsoft® Excel®
  • Drag position on map and see corresponding point within time scales and graphs
  • Performance analysis
  • Vessel tracking
  • Preventative maintenance
  • Warranty incident
  • Accident investigation

PC Users

Please update to the latest version from the following link.

The latest N2KExtractor build version: 4.0.8.20260813

Changes in N2KExtractor version 4.0.8 from 4.0.1 (2026-08-13)

New Features

  • Updated Map software to comply with new Google Maps requirements
  • Updated NMEA 2000® PGN table

Changes in N2KExtractor version 4.0.1 from 4.0.0 (2018-11-16)

Corrections

  • Corrected extraction of DCR100 channel current (4149)
  • Corrected extraction of Hardware Counter and Timer values (4150)
  • Corrected connecting directly to VDR100 on Ethernet when there is password (4199)
  • Corrected graphing of Battery Time Remaining (4490)

Changes in N2KExtractor version 4.0.0 from 3.1.8 (2018-05-15)

Correction

  • Replaced Map software to comply with new Google Maps requirements (4476)

Changes in N2KExtractor version 3.1.8 from 3.1.7 (2017-12-07)

New Features

  • Added a ’Wait Dialog’ when receiving time periods from cloud (4407)
  • Created a configuration file for the Sanibel demo (4411)

Corrections

  • Allow more than 3 vessels in the selection dialog (4366)
  • Sort the CSV file using a numeric sort instead of a textual sort (4395)
  • Recovered missing entries in the Master Timestamp file when it is truncated (4408)
  • Constrained times read from Configuration File to times stored in the database (4409)
  • Adjusted Ferry Configuration times to match database in Cloud (4410)
  • Corrected the drawing of the Plot (4412)

Changes in N2KExtractor version 3.1.7 from 3.1.6 (2017-08-30)

Corrections

  • Changed version of Google Maps to correct display of Plot (4359)

Changes in N2KExtractor version 3.1.6 from 3.1.5 (2017-05-24)

New Features

  • Add Support for Google Maps and Google Earth/Ocean (3517, 4118)
  • Show name of vessel on map instead of "Boat" (4187)
  • Changed default directory for "Export to CSV" to user documents directory. (4194)
  • Changed operation of Zoom all button when connected to the Cloud to be faster (4195)

Corrections

  • Corrected requirement to plot graph before extracting to disk (4170)
  • Corrected function of Map Location button (4188)
  • Changed appearance of Map buttons to match TCS website (4191)
  • Corrected boundary of cursor not being able to reach end of timescales (4192)
  • Corrected right-clicking on graph cursor showing multiple context menus (4193)
  • Prevented dragging of markers past edge of timescales. (4196)
  • Corrected typo when no VDR is found. (4198)

Changes in N2KExtractor version 3.1.5 from 3.1.4 (2017-03-01)

New Features

  • Improved the display of the Filter Delete Character (4122)
  • Show Sort Triangle in headers of Parameter Tables (4123)
  • Improved label display on Time Axis of Graph (4127)
  • Added a Select All button to the Parameter Table (4128)
  • Increased Max file size for .CSV files (4129)
  • Added messages over the Graph and Plot when their contents are not synchronized to the Time Scale (4130)
  • Lightened the color of red text in status messages immediately below timescale (4137)

Corrections

  • Edited Graph Scale for "Memory Used (GBytes)" and "Capacity (GBytes)" (4120)
  • Ensured that Yellow Cursor within Graph maintains its height when graph window is stretched (4121)
  • Ensured that Data from last recording period is being written to disk (4125)
  • Corrected Data not requiring unit conversion received from the Cloud (4126)
  • Fixed Extractor hang when USB drive was removed before requesting parameters (4146)

Changes in N2KExtractor version 3.1.4 from 3.1.3 (2017-02-20)

New Features

  • Change the Parameter Table search function to a filter (4089)
  • Prevented creation of Recording Periods where there is no data received (4105)
  • Changed the orientation of the boat symbol on the map to the vessel’s Heading, if available (4110)
  • Made it easier to move the Time Bar handles (4111)

Corrections

  • Corrected program crash trying to synchronize recording periods (2840)
  • Corrected program hang when extracting with short interval (3778)
  • Corrected display of VDR Memory Capacity and Memory Used Parameters (4103)
  • Corrected display of Active Station Percent Command value. (It was being multiplied by 100.) (4104)
  • Corrected saving of data to .csv file when Extraction Interval is 0 (4106)
  • Corrected entry of null Position Field in .csv file. (It was missing a column.) (4107)
  • Allow colons to be typed into the Extraction Interval when creating .csv files (4108)
  • Corrected display of Transmission Status values (4109)

Changes in N2KExtractor version 3.1.3 from 3.1.2 (2017-01-03)

New Features

  • Allow N2Extractor to be launched from Telemetric Cloud Service website (4073)
  • Added support for Twin Disk Transmissions (4074)
    *This requires a J2K100 with firmware version 2.2.2.1 or newer
  • Corrected opening of User’s Manual from N2KExtractor (4077) 
  • Corrected spelling of “UDP” in LAN Vessels dialog (4079)

 

Changes in N2KExtractor version 3.1.2 from 3.1.1 (2016-10-26)

New Features

  • Added parameter file for Ferry 1 demo on Telemetric Cloud (4040)

 

Changes in N2KExtractor version 3.1.1 from 3.0.2 (2016-09-28)

New Features

  • Added support for extracting data from Telemetric Cloud Service (4019)
  • Improved Handling of large data sets (4013, 4020)

Corrections

  • Corrected Addition of Fluid Flow Parameters (3731)
  • Show Volume Units of Gallons with "US" or "Imp" (3858)
  • Allow Date entry in ISO format (4017)
 
Changes in N2KExtractor version 3.0.2 from 3.0.1 (2016-01-18)

New Features

  • Added support for BNWAS parameters (2842)
  • Added units to column headings in CSV file (3647)

Corrections

  • Disabled Add and Load buttons in offline mode (3534)
  • Time Bar graphics adjusted to be more consistent (3641)
  • Removed cloud option in Connections dialog (3673)
  • Corrected display of Fluid labels when reading from USB (3726)

Changes in N2KExtractor version 3.0.1 from 3.0.0 (2015-10-15)

New Features

  • Added support for CLM100 parameters (3584)
  • Added SMS: Signal Strength to list of parameters able to be displayed (3611)
  • Updated Ext2fsd to version 0.62 (3624)
  • Show Progress Bar when USB drive is erased (3625)

Corrections

  • Added Position to list of parameters to be extracted. (3521)
  • Corrected adding parameters to Parameter Table from Add button. (3544)
  • Corrected loading of labels (3545)
  • Corrected processing of Fluid Flow Rate and Trip Volume PGNs (3626)

Changes in N2KExtractor version 3.0.0 from 2.0.6 (2015-06-19)

New Features

  • Changed User Interface to new style

Corrections

  • Improved Screen Utilization (2854)
  • When modifying the Parameter Table retain the highlighted row. (2855)
  • Corrected adding Wind Direction to list of parameters (2900)
  • Added PGN 65287 to Engine Trip Fuel (3173)
  • Added PGN 65286 to Engine Fuel Rate (3174)
  • Corrected formatting of 12 hour time when hour is 0. (3218)
  • The last folder used for VDR100 is now remembered. (3247)
  • Added extra checks for valid dates. (3248)
  • Corrected finding of Fluids other than Fuel (3277)
  • Updated Ext2Fsd to latest version (3458)
  • Update of MapQuest API to latest version (3472)
  • Corrected enabling of Save button in Parameter Editor (3483)
 
Changes in N2KExtractor version 2.0.6 from 2.0.5 (2013-12-04)
  • Corrected display of Transmission Gears
  • Corrected problem with unsynchronized times
  • Corrected handling of null characters in timestamp file
  • Corrected handling of PGNs with source keys when there was only one possible PGN

 

Changes in N2KExtractor version 2.0.5 from 2.0.4 (2013-09-30)
  • Corrected handling of truncated files.

Changes in N2KExtractor version 2.0.4 from 2.0.3
  • Improved installation of Ext2Fsd file system.
  • Improved efficiency in reading large frame files
  • Look for instance data is subsequent recording periods when there is no data in the first recording period.
  • Corrected problem allocating pseudo times when there are a lot of small recording periods

Changes in N2KExtractor version 2.0.3 from 2.0.2
  • Allow searching of records when there is no timestamp file.

Changes in N2KExtractor version 2.0.2 from 2.0.1 (2013-06-14)
  • Corrected handling of empty files.

Changes in N2KExtractor version 2.0.1 from 2.0.0 (2013-05-13)
  • Made minor stability improvements to the program.

Changes in N2KExtractor version 2.0.0 from 1.1.0 (2013-04-24)
  • Corrected handling of empty files.
  • Simulates time values when there is no time data on the network. This will happen when there is no
    GPS with a valid position fix on the network. Previously data collected over this period would not be accessible because it could not be associated with a time period.
  • Gets position information from PGN 129029 or PGN 129025. Position information is available in both of
    these PGNs. Previously only PGN 129029 was considered as a source of position data.
  • Starts with window large enough that the fields are readable.
  • Added Open Manual entry to Help Menu.
  • Added Vessels and Configuration dialogs so that fleet users can easily access multiple vessels.
  • Allows reading of values directly from VDR100 through the VDR100’s LAN connection, allowing you to
    view information without removing the USB flash drive from the VDR100.

Changes in N2KExtractor version 1.1.0 from 1.0.0 (2012-11-06)
  • Corrected table manipulation after sorting
  • Simulates time values when PGN 126992 is missing (no GPS connected)
  • Get position information from PGN 129029 or PGN 129025
  • Open N2KExtractor™ large enough that the fields do not overlap.

N2KExtractor version 1.0.0
  • Initial public release

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