NavCom StarUtil Rev.G - Manual (Page 32)

StarUtil User Guide – Rev. G
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The options on the Rover / Navigation & Tracking Setup window are identical in
StarUtil-2000 and StarUtil-2100, except for the RTK Setting Control button, which
is included only in StarUtil-2100 (see Figure 16).
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After making any settings in the sections below, click the Apply button and then
click the Retrieve button to confirm that the receiver accepts the settings.
Navigation Rate and Other Options
9 Elevation Mask: Enter a value between 0 and 90 degrees
to set the elevation angle at which the receiver will start
processing GPS data from satellites.
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The default elevation mask is 7 degrees to prevent
position jumps due to frequent satellite re-acquisitions
at lower elevation mask angle limits.
Figure 17: Elevation Mask & Nav Rate
9
Navigation Rate: The number of navigation solutions per second. The standard rates are
1Hz (default), 2Hz, and 5Hz. Purchased software options are 10Hz and above, with the
exception of the VueStar system for which all available rates are standard. The upload of a
purchased navigation rate changes the setting in the Navigation rate field automatically to
the purchased rate. Refer to
Chapter 9 Load Software for information about the purchase
and upload of software options.
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The Navigation Rate setting in the Rover / Navigation & Tracking Setup window
sets the output of the NCT Binary message B1 and the NMEA messages GGA,
RMC and VTG, provided that those messages are set to On Change in the NCT
Binary Messages window and the NMEA Messages window, respectively (see
Figure 18).
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For the NCT Binary message B0 only, the rate of On Change (the default) is 1Hz
regardless of the navigation rate setting. To set the output of B0 at a higher rate to
match the output of B1, use the NCT Binary Messages window. The rate must be
a purchased navigation and raw data rate (refer to message 0x30 in the Technical
Reference Manual).
Figure 18: Navigation Rate
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