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L1 GPS Simulator with Record/Playback

Racelogic LabSat.jpg

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LabSat from Racelogic Ltd. is an L1 GPS simulator with RF record and playback capabilities, ruggedized for use in the field to record all-in-view GPS satellite signals in a digital form that can then be replayed at a later date. Measuring 170 x 128 x 38 millimeters, LabSat comes with a carrying case, GPS magnetic aerial, and a 260GB Freecom external hard drive for recording data. The system can then reproduce the real world data — including such artifacts as multipath, ionospheric effects, and signal dropouts —on the bench. During data collection, LabSat is connected to a laptop and data is continuously streamed to the hard disk. Approximately 1 GB of data is stored for every 10 minutes of use, with no limit on the length of the sample. When replaying, the same data is streamed from the laptop to LabSat at the same rate. The output signal level is adjustable, from -75dBm to -105dBm.

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