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CEGRN03 Data Availability and Proposed Processing Rules - CERGOP-2 Warsaw 2003

This document outlines the current status of data availability for the CEGRN03 project as part of the CERGOP-2 initiative in Warsaw 2003. It details the number of active stations, data conversion processes, and access protocols, including web and FTP server configurations not yet complete. Additionally, it raises important questions regarding zenith delays, site renaming, and the re-evaluation of older campaigns using the ITRF2000 solution. Access to data is limited and requires user credentials from the CEGRN Consortium.

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CEGRN03 Data Availability and Proposed Processing Rules - CERGOP-2 Warsaw 2003

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  1. CEGRN03Status of Data AvailabilityProposed Processing Rules G. Stangl CERGOP-2 Warsaw 2003

  2. Data Availability • 71 stations, 34 permanent • BRSK, CAOP, HVAR, PULA(?) Not yet checked • SNEZ (CZ) under discussion • Short (3-4 days) IVAN, KOSG • Binary data converted to RINEX • Observation files converted to daily sessions (0-24h) CERGOP-2 Warsaw 2003

  3. CEGRN 03 CERGOP-2 Warsaw 2003

  4. Data Access • Web- and ftp-server not yet configured because of late deliverance • Public information at http://gps.iwf.oeaw.ac.at/CEGRN03/CEGRN03.htm • Restricted ftp-access at geols01.oeaw.ac.at • User-ID and password provided by CEGRN Consortium • Observation files at the server CERGOP-2 Warsaw 2003

  5. IGS-orbits and ERPs Constrain ITRF2000 campaign epoch coordinates of one reliable site 5° minimum elevation Ambiguity fixing Zenith delay estimation each 1h No a priori troposphere model Elevation dependent weightung + Dry Niell mapping function Proposed CEGRN03 Processing CERGOP-2 Warsaw 2003

  6. Questions • Zenith delays fixed on campaign results? • Renaming of sites (SNEZ, PULA, BASO)? • Datum of minimal constraint solution? • Readjustment of older campaigns within ITRF2000 + new rules? • Creating official combined solutions for campaigns? CERGOP-2 Warsaw 2003

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