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Seguimiento de GPS en Vivo

To activate live GPS tracking in QGIS, you need to select Settings ‣ Panels checkbox GPS information. You will get a new docked window on the left side of the canvas.

There are four possible screens in this GPS tracking window:

  • toggleEditing GPS position coordinates and an interface for manually entering vertices and features
  • gpsTrackBarChart GPS signal strength of satellite connections
  • gpsTrackPolarChart GPS polar screen showing number and polar position of satellites
  • options GPS options screen (see figure_gps_options)

With a plugged-in GPS receiver (has to be supported by your operating system), a simple click on [Connect] connects the GPS to QGIS. A second click (now on [Disconnect]) disconnects the GPS receiver from your computer. For GNU/Linux, gpsd support is integrated to support connection to most GPS receivers. Therefore, you first have to configure gpsd properly to connect QGIS to it.


If you want to record your position to the canvas, you have to create a new vector layer first and switch it to editable status to be able to record your track.

Posición y atributos adicionales

toggleEditing If the GPS is receiving signals from satellites, you will see your position in latitude, longitude and altitude together with additional attributes.


GPS tracking position and additional attributes

Fuerza de la señal GPS

gpsTrackBarChart Here, you can see the signal strength of the satellites you are receiving signals from.


GPS tracking signal strength

GPS polar window

gpsTrackPolarChart If you want to know where in the sky all the connected satellites are, you have to switch to the polar screen. You can also see the ID numbers of the satellites you are receiving signals from.


GPS tracking polar window

Opciones GPS

options In case of connection problems, you can switch between:

  • radioButtonOn Autodetect
  • radioButtonOff Internal
  • radioButtonOff Serial device
  • radioButtonOff gpsd (selecting the Host, Port and Device your GPS is connected to)

A click on [Connect] again initiates the connection to the GPS receiver.


GPS tracking options window

You can activate checkbox Automatically save added features when you are in editing mode. Or you can activate checkbox Automatically add points to the map canvas with a certain width and color.

Activating checkbox Cursor, you can use a slider slider to shrink and grow the position cursor on the canvas.

Activating radioButtonOn Map centering allows you to decide in which way the canvas will be updated. This includes ‘always’, ‘when leaving’, if your recorded coordinates start to move out of the canvas, or ‘never’, to keep map extent.

Finally, you can activate checkbox Log file and define a path and a file where log messages about the GPS tracking are logged.

If you want to set a feature manually, you have to go back to toggleEditing Position and click on [Add Point] or [Add track point].

Connect to a Bluetooth GPS for live tracking

With QGIS you can connect a Bluetooth GPS for field data collection. To perform this task you need a GPS Bluetooth device and a Bluetooth receiver on your computer.

At first you must let your GPS device be recognized and paired to the computer. Turn on the GPS, go to the Bluetooth icon on your notification area and search for a New Device.

On the right side of the Device selection mask make sure that all devices are selected so your GPS unit will probably appear among those available. In the next step a serial connection service should be available, select it and click on [Configure] button.

Remember the number of the COM port assigned to the GPS connection as resulting by the Bluetooth properties.

After the GPS has been recognized, make the pairing for the connection. Usually the authorization code is 0000.

Now open GPS information panel and switch to options GPS options screen. Select the COM port assigned to the GPS connection and click the [Connect]. After a while a cursor indicating your position should appear.

If QGIS can’t receive GPS data, then you should restart your GPS device, wait 5-10 seconds then try to connect again. Usually this solution work. If you receive again a connection error make sure you don’t have another Bluetooth receiver near you, paired with the same GPS unit.

Utilizando GPSMAP 60cs

MS Windows

Easiest way to make it work is to use a middleware (freeware, not open) called GPSGate.

Launch the program, make it scan for GPS devices (works for both USB and BT ones) and then in QGIS just click [Connect] in the Live tracking panel using the radioButtonOn Autodetect mode.

Ubuntu/Mint GNU/Linux

Para Windows la formas más fácil es usar un servidor en medio, en este caso GPSD, de manera

sudo apt-get install gpsd

Then load the garmin_gps kernel module

sudo modprobe garmin_gps

And then connect the unit. Then check with dmesg the actual device being used bu the unit, for example /dev/ttyUSB0. Now you can launch gpsd

gpsd /dev/ttyUSB0

Y finalmente conectar con la herramienta de rastreo en vivo QGIS.

Using BTGP-38KM datalogger (only Bluetooth)

Using GPSD (under Linux) or GPSGate (under Windows) is effortless.

Using BlueMax GPS-4044 datalogger (both BT and USB)

MS Windows

The live tracking works for both USB and BT modes, by using GPSGate or even without it, just use the radioButtonOn Autodetect mode, or point the tool the right port.

Ubuntu/Mint GNU/Linux

Para USB

The live tracking works both with GPSD

gpsd /dev/ttyACM3

or without it, by connecting the QGIS live tracking tool directly to the device (for example /dev/ttyACM3).

Para Bluetooth

The live tracking works both with GPSD

gpsd /dev/rfcomm0

or without it, by connecting the QGIS live tracking tool directly to the device (for example /dev/rfcomm0).