Performance Specifications; Receiver Options; Table 1.2 Accuracy As Function Of Mode; Table 1.3 Z-Extreme Options - ashtech Z-Xtreme Operations & Reference Manual

Performance Specifications

One of the most important functions of the receiver is providing real-time position with
accuracy ranging from less than 10 meters to centimeter level. Table 1.2 summarizes
the positioning modes and expected accuracy.
Positioning Mode
Static, Rapid Static Horizontal: 5mm + 1 ppm
Vertical: 10 mm + 1 ppm
Post-Processed Horizontal: 1 cm + 1 ppm
Kinematic Vertical: 2 cm + 1 ppm
Real-Time Code < 1 m
Differential
Real-time Z Kinematic Horizontal: 1 cm + 2 ppm
(Fine Mode) Vertical: 2 cm + 2 ppm
Azimuth (arc sec): 0.4 +
2.0/baseline (km)
Specifications assume operation follows all the procedures recommended in the product manuals
utilizing Instant-RTK, post processing with Ashtech Solutions or Ashtech Office Suite for Survey.
High-multipath areas, high PDOP values, low satellite visibility, and periods of adverse atmospheric
conditions and/or other adverse circumstances will degrade system performance. All accuracy
specifications are RMS values.

Receiver Options

Table 1.3 lists the available options.
Introduction

Table 1.2 Accuracy as Function of Mode

Typical Horizontal
Maximum Update
Accuracy (2drms),
5 SVs, PDOP<4
5Hz (10 Hz optional)
5 Hz (10 Hz optional)
5 Hz (10 Hz optional)
5 Hz (10 Hz optional)

Table 1.3 Z-Extreme Options

Option
B RTCM differential base
U RTCM differential remote
E Event Marker
Maximum Operating
Rate
Several hundred kilometers
depending upon satellite
geometry.
Several hundred kilometers
depending upon satellite
geometry.
Several hundred kilometers
depending upon data link.
Recommended: < 10 km
Maximum: 40 km
Description
Range
5