Spectra Precision ProFlex 800 Reference Manual - Manual (Page 171)

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Web Server Help Files Collection
Hot Standby RTK
Hot Standby RTK is the process of making available a second
RTK position solution in the background. Should the primary
RTK solution stop being delivered by the receiver for some
reason, then the second RTK solution would be provided
instead, until the primary RTK solution is back again and
valid.
Heading This page is used when you want the receiver to deliver
heading, roll or pitch measurements.
In the so-called “external” heading mode, the receiver uses
its own antenna connected to the “Antenna 1” input. One of
its ports is declared as the one providing the receiver with
corrections in ATOM or RTCM-3 format from an external
GNSS receiver to which the second GNSS antenna (defined
as “Antenna 2” on your receiver) is connected. The local
“Antenna 2” input is not used here.
Combining these incoming data with the data from its own
antenna, the receiver will be able to determine the heading of
the baseline connecting the two antennas.
The two antennas should be installed to guarantee an ever-
fixed baseline length.
Stream 1,
Stream 2
This field is displayed only when “Manual” is chosen.
Choose the port on which each of the differential data
streams #1 and #2 is received. The possible choices
are:
• None: No incoming differential data stream
• A - Serial: Port A
• B - Serial: Port B
• F - Serial: Port F
• C - Bluetooth
• D - Internal Radio
• E - Modem
• I - Ethernet: Serial-like connection in server mode
• P - Ethernet: NTRIP or Direct IP in client mode
CPD,REM
Parameter Designation $PASHS
Hot Standby
RTK Check this option if you want the rover to operate in
Hot Standby RTK.
CPD,MOD
Stream
This field is visible only after the above option has
been activated. Choose the port routing the differen-
tial data stream feeding the second RTK engine. This
may be A, B, C, D, E, F, I or P.
CPD,MOD
Parameter Designation $PASHS