Orolia GSG-5 Series, User Manual With Scpi Manual, Page: 77 / 392

For more information on vehicle modeling, see "Environment models" on page 68 .
3.5.8.3 Elevation mask
The elevation mask specifies how low GNSS satellites will be simulated. The elevation
mask is set to zero by default.
Figure 3-8:
Elevation mask
A receiver typically has a higher elevation mask and it will not use any satellite below the
elevation angle of its set mask. The recommended setting is to set the elevation mask of
GSG to a value equal or less than that of the device under test.
In order to conserve channels by not generating signals the GNSS receiver will not use in
its fix, the elevation mask in the GSG can be set to a slightly higher value. This is especially
important with, e.g., GSG-52/53 Series units, or GSG-5 models equipped with 4-channels.
3.5.9 Advanced Configuration Options
3.5.9.1 Multipath Signals
A multipath signal is a GNSS signal bouncing off a reflective surface prior to reaching the
GNSS receiver antenna. Quite likely, this causes many of the same signals to arrive at the
receiver at different times. The receiver then needs to determine which of the signals are
received directly.
3.5 "Select" Menu
User Manual GSG-5/6 Series Rev. 27 61