1. VieVS User Workshop 14 – 16 September, 2011 Vienna External tropospheric files in VieVS Matthias Madzak

2. External tropospheric files Tropospheric delays in one txt file per session Different models available Easy exchangeability Use of own data possible VieVS User Workshop 20112

3. Content of.trp files Session VieVS User Workshop 20113 Date, Time Station α, ε, p, TPartial derivatives Slant delay

4. Steps 1.Tropospheric parameter file  What models to be used ? 2.External troposheric file (.trp)  For which session(s) ? 3.Use in VieVS  Process session(s) VieVS User Workshop 20114

5. Tropospheric parameter file (1) Created via GUI Defines models for all stations Run TRP\ PROGRAM\ GUI\ createTropoParam eterFilesGUI.m VieVS User Workshop 20115

6. Tropospheric parameter file (2) -Set tropospheric models for all stations (1 | 0) - Save textfile VieVS User Workshop 20116

7. Models for tropospheric files VieVS User Workshop 20117 Delay ECMWF (h/w) Surface pressure Global Pressure and Temperature Mapping Functions VMF1 GMF Gradients LHG DAO APG Partial derivatives VMF1w GMFw

8. External tropospheric files 1.Define (just created) parameter file 2. Select stations 3. Choose subfolder 4. Click „Create“  \TRP [\subfolder] \*.trp VieVS User Workshop 20118

9. Note Session must be processed before once Read log (Command Window) for information VieVS User Workshop 20119

10. Use files in VieVS GUI vie_mod Click „External (.trp) file“ Select subfolder (if chosen) Delays are applied VieVS User Workshop 201110