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External tropospheric files in VieVS. Matthias Madzak. External tropospheric files. Tropospheric delays in one txt file per session Different models available Easy exchangeability Use of own data possible. Content of . trp files. Session. Date, Time. α , ε , p, T. - PowerPoint PPT Presentation
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VieVS User Workshop
14 – 16 September, 2011
Vienna
External tropospheric files in VieVSMatthias Madzak
VieVS User Workshop 2011 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 2011 3
Content of .trp files
Session
Date, Time
Station
α, ε, p, T Partial derivatives
Slant delay
VieVS User Workshop 2011 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 2011 5
Tropospheric parameter file (1)
Created via GUI
Defines models for all stations
Run TRP\ PROGRAM\ GUI\ createTropoParameterFilesGUI.m
6
Tropospheric parameter file (2)- Set tropospheric
models for all stations (1 | 0)
- Save textfile
VieVS User Workshop 2011
7
Models for tropospheric files
VieVS User Workshop 2011
Delay
ECMWF (h/w)
Surface pressure
Global Pressure and Temperature
Mapping Functions
VMF1
GMF
Gradients
LHG
DAO
APG
Partial derivatives
VMF1w
GMFw
VieVS User Workshop 2011 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 2011 9
Note
Session must be processed before once
Read log (Command Window) for information
VieVS User Workshop 2011 10
Use files in VieVS
GUI vie_mod
Click „External (.trp) file“
Select subfolder (if chosen)
Delays are applied