3-20 Maxor Operator’s Manual www.javad.com
SETUP AND MEASURING
Measuring with the Maxor
3
9. On the main screen, check the LQ field to ensure the receiver
obtains differential corrections. Usually, the receiver will start to
output the coordinates of the antenna's phase center along with the
solution type within 10-30 seconds.
The geodetic coordinates displayed on the Geo tab a
re always
computed in WGS84 and have four solution types.
• Standalone – where receiv
er computes 3D coordinates in
autonomous mode without using differential corrections.
• Code differential
– where the Rover receiver computes the current
relative coordinate in differential mode using only pseudo ranges.
• RTK float – where the
Rover receiver computes the current relative
coordinates in differential mode using both pseudo ranges and
phases; however, with a float solution, the phase ambiguity is not a
fixed integer number and the "float" estimate is used instead.
• RT
K fixed – where the Rove
r receiver computes current relative
coordinates, with ambiguity fixing, in differential mode.
The LQ field reflects the status of the receiv
ed differential messages
and contains the following information:
• Data link quality in percentage
• Time (in seconds) elapsed since the last received message
• Total number of received correct messages
• Total number of received corrupt messages
If the receiver is not (for some reason) receiving differential
c
orrection
s, or if none of the ports has been configured to receive
differential corrections, the LQ field will either be empty or it will
look like this: 100%(999,0000,0000).
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