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Survey and Monitoring of Site Stability in Eastbourne: Techniques and Future Plans

This document outlines the methodology and findings of the recent station survey in Eastbourne, conducted by the HTSI Survey Team, AUSLIG, or IGN. It details the last survey date, documentation methods like Survey Reports, and Station Site Logs, and describes the use of concrete piers with self-centering fixtures for monumentation. The report evaluates the survey's accuracy (±1-3 mm) and discusses future plans for upgrading and monitoring the survey system, including routine checks of equipment calibration and performing additional surveys as resources permit.

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Survey and Monitoring of Site Stability in Eastbourne: Techniques and Future Plans

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Presentation Transcript

  1. Survey in Eastbourne

  2. Site Stability • When was your last station survey done? • Next slides • By whom? • HTSI Survey Team, AUSLIG, or IGN as shown in table • How was it documented? • Survey Report / Station Site Log • Where? • CDDIS, EDC • Anything special about the technique? • First order geodetic survey • What kind of monumentation do you use? • Concrete piers with self-centering fixtures & brass disks set in concrete

  3. Site Stability (2) • How good do you think your survey is? • +/- 1-3 mm • How do you know? • Equipment specification/calibration • What are your future survey plans? • Monument Peak (Moblas 4) – Following Doris installation • Maui (TLRS-4) – Following Installation of TLRS-4 • Arequipa (TLRS-3) – Following restart of TLRS-3 • As resources are available perform other surveys as required • How often do you redo the survey? • As issues are observed or • As upgrades to systems or sites occur • Do you routinely monitor your system calibration for consistency? • Monitoring by routinely ground testing to multiple ground targets

  4. GGAO Moblas 7 Survey

  5. GGAO Survey Pillar

  6. NASA Network Summary of Survey

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