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High Resolution 1:10,000 scale Mapping Strategy of Multi ... - NDMA

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Parameter Gimbal encoder input, AUX GPS Input (RTK,<br />

NavCom Star-re, OmniStar HP), RTCM<strong>10</strong>4<br />

DGPS Corrections Input<br />

Rate 1 to IMU Data Rate<br />

6. OTHER I/O<br />

1PPS 1 pulse-per-second Time Sync output, normally<br />

<strong>High</strong>, active low pulse<br />

Event Input (2) Two time mark <strong>of</strong> external events. TTL pulses<br />

> 1 msec width, max rate <strong>10</strong>0 Hz.<br />

7. USER SUPPLIED EQUIPMENT<br />

- PC for POS Controller (Required for con-guration):<br />

Pentium 90 processor (minimum), 16 MB RAM, 1 MB free disk<br />

space, Ethernet adapter (RJ45 <strong>10</strong>0 base T), Windows 98/2<strong>000</strong>/NT/XP<br />

- PC for POSPac Post-processing S<strong>of</strong>tware:<br />

Pentium III 800Mhz or equivalent (minimum), 256 MB RAM,<br />

400 MB free disk space, USB Port (For Security Key), Windows 2<strong>000</strong>/XP<br />

• Post-processing s<strong>of</strong>tware bundle. Includes Carrier Phase DGPS processing,<br />

Integrated Inertial/GPS processing, and optional photogrammetry tools for EO<br />

generation, IMU boresight calibration and quality control.<br />

• PC for Post-processing S<strong>of</strong>tware<br />

� Pentium III 800Mhz or equivalent (minimum)<br />

� 256 MB RAM, 400 MB free disk space<br />

� USB Port (For Security Key)<br />

� Windows 2<strong>000</strong>/XP<br />

• Power Supply - Low-power operation<br />

Airborne Survey Performance Specifications:<br />

A) Airborne Survey Absolute Accuracy Specifications (RMS)<br />

C/A GPS DGPS RTK Post-processed<br />

Position (m) 4.0 – 6.0 0.5 - 2 0.1 – 0.5 0.05 - 0.3<br />

248

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