NMEA Logger

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The NMEA Logger can be used to record data from a GPS source (selected in the Settings window). And use it for later play back (or other custom use). Standard NMEA sentences are stored in the log file.

Record data

To start recording data from the GPS, you need to add a “File Recorder” to GpsGate’s Output.

Open the Settings dialog from the Tray menu and click on the “Output” tab. Then select “File Recorder / NMEA Filter” from the drop down, and click “Add”.

A dialog will open where you can select a file to save the GPS data to. A name derived from the current date and time will be suggested for you. By default log files are saved under “My Documents\GpsGate\GpsLog”. Simply click “OK” if you are happy with the preselected file name.

You can also select if you want a new log file to be created in a specified interval. GpsGate will in that case save the log files in the selected folder, and name them “Log YYYY-MM-DD HHMMSS.nmea”.

When you are happy with your settings, click “OK”.

Filter recorded data

In the next step you can select how much of the data from the GPS you want to be saved. If you want all data to be saved, simply click “OK”. If you have some knowledge of the NMEA format you can specify filters that blocks specific sentences and stores data in intervals, this will save disk space needed by your log files.

Playback recorded data

Open the “NMEA Logger” window from the Tray menu or from the Settings dialogs Input tab.

To play back a log file. Click “Play” in the NMEA Logger window and select the log file to play back.
If you check “Reset time” GpsGate will change the time stamp of the NMEA data to the current (UTC) time. “Repeat” will make GpsGate automatically restart the log file when it has reached its end. Use “Rewind” and “Forward” to change the playback speed. And use “+/- min” and “+/- hour” to browse back and forward in the log file.

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