User's Guide

Table Of Contents
Controlling Your Radar
FasTrac Millennium Userโ€™s Guide โ€“ May 2003
๎š‰ Mode specifies the radar mode. While not all modes are valid for all radar types and may
not appear in the pull-down list, the following list describes the possible modes:
Mode
Description
Powerdown Radar electronics are off.
Standby Radar electronics are on, but the transmitter is off.
Long Long pulse, no velocity, and range up to 300 miles.
Log+Turb Log mode plus detection and display of turbulence in return data.
Single PRF Single-pulse Doppler mode, range 75 miles, +/- 16 m/s.
Dual PRF Dual-pulse Doppler mode, range 75 miles, +/- 32 m/s.
VHD Very High Definition (dual-pulse) Doppler mode, range 49 miles, +/- 48 m/s.
When you select a mode, the typical values for range and velocity appear. When you
select Powerdown, it may take several minutes before the radar shuts down (cools off).
When the radar powers up, it will take several minutes before radiation is possible. You
can observe the status at the RDACS computer or view the H250C.EXE or config.exe
programs.
๎š‰ Scan specifies one of the antenna modes described in the following list. Select PPI for
constant rotation in azimuth with a fixed elevation. Use Sector to scan a sector in
azimuth. Use RHI to scan in elevation with a vertical cross-section. Use Stop to point the
antenna to a target. The following table shows which fields work in each antenna mode:
Mode
Azimuth Span Elevation Upper
Stop X X
PPI X
Sector X X X
RHI X X X
Azimuth sets the antenna azimuth, in degrees.
Span sets the antenna angle, in degrees, traversed in Sector mode.
Elevation sets the lower scan limit for antenna elevation, in degrees, in RHI
mode.
Upper sets the upper elevation limit, in degrees, in RHI mode.
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