Racelogic USER GUIDE Manual de Instruções descarregar pdf (Página 12)

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Recording GPS Data with LabSat

NB: Applicable to RLLSC01 and RLLSR01 LabSat Models Only

The GPS antenna supplied with the LabSat is a 3.3V active antenna with 28dB gain. For the best possible signal quality, it is important to maintain a

clean connection between the antenna and the LabSat. Before fixing the antenna to the LabSat, ensure that there are no dust particles in either

connector. Replacement antennas are available by contacting LabSat or your LabSat distributor.

The antenna is a magnetic mounting type for quick and simple mounting to the vehicle roof. For optimum GPS signal reception, make sure that the

antenna is fitted to the highest point of the vehicle away from any obstructions that may block satellite reception. The GPS antenna works best with a

metal ground plane underneath (a metallic vehicle roof is perfect for this).

Please also note that when using any GPS equipment, a clear sky view is important. Objects in

the surrounding area such as tall buildings or trees can block the GPS signal causing a

reduction in the number of satellites being tracked, or introducing reflected signals that can

decrease the accuracy of the system. Note that clouds and other atmospheric conditions do not

affect the LabSat’s performance.

GPS antennas require a ground plane to operate correctly. This helps to reduce unwanted

reflections of the GPS signal caused by nearby objects, and usually the metal roof of a vehicle

performs this function. However, if a test requires an antenna to be placed either off the vehicle,

or on a vehicle that does not have a metallic roof, a special ground plane antenna must be used.

This has an internal ground plane and can operate perfectly without the need for mounting on a

metal surface. Ground plane antennas are available from your LabSat distributor.

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