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Prego Operator’s Manual
B
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5
A P P E N D I X
Prego Specifications
Output interval for
RTCM correction
data
1, 5, 10, 20 (5 to 20 Hz is optional)
Elevation mask
0 to 90 deg (independent with data logging
)
Multi-base DGPS
Differential correction select mode: Nearest, Mix,
Best (optional)
RTK
Correction format
CMR2/CMR+ (Trimble compatible), RTCM
SC104 Ver 2.2 and 2.3
RTCM message type
3, 18, 19, 20, 21, 22 user selectable
Reverse RTK
Will be available in future
Ambiguity initialize
OTF (L1, L1/L2)
Baseline Length
Up to 50km in the morning and evening. Up to 32
km at noon.
Initialize time
5 seconds to 10 min depending on the base line
length and multipath conditions
Output interval for
CMR/RTCM
1, 5, 10, 20 Hz (5 to 20 Hz is optional)
Elevation
0 to 90 deg (independent with data logging)
Process interval
1, 5, 10, 20 Hz (5 to 20 Hz is optional)
Latency
Delay mode: 20 msec–20 sec (depends on latency
which receives corrections data from base receiver).
Extrapolation: 20–30 msec
Raw Data logging
The receiver can record the raw data at another
interval while RTK
operation.
Status
Fix, Float, DOP, Data Link Status, Modem Latency,
Common sats, Percentage of the fixing
Results
RTK coordinates, HRMS, VRMS, Covariance
Matrix
Table B-1. Prego Specifications
Component
Details
Summary of Contents for Prego
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