Defining Reference Frames in GAMIT/GLOBK

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Defining Reference Frames in GAMIT/GLOBK

• Examples of the use of the reference frame to
  visualize tectonic motions
• Two approaches to reference frame definition in
  GLOBK
• Spatial filtering of time series

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Western Turkey Aegean (wrt. Eurasia)
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Western Turkey and the Aegean (wrt. Anatolia)
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Frame definition through stabilization

• In glorg command file
• apr_file itrf00_eura.apr
• stab_site kosg brus toul wtz1 pots yakt
• stab_site nyal zwen bor1 mets irkt

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Frame definition by plate estimation

• In glorg command file
• apr_file itrf00.apr
• stab_site clear algo yell pie1 kosg brus toul
• stab_site wtz1 pots yakt tskb yar1 .(all good
  IGS)
• plate WEUR kosg brus toul wtz1 pots
• plate WEUR hers zwen bor1 mets joze
• plate MACE m108 m112 m120 m123 m124
• x noplate tran
• Then run sh_org2vel to get velocities with
  respect to each plate

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