| Wednesday (June 11) | 
| 13.00 - 17.00  |  | Registration | 
| 17.00 - 18.00  |  | Session 1:  Opening and Welcome Chairman: Georg B. Larsen | 
 | 30m | Status of the EUMETSAT Programmes Alain Ratier (Head Tech Grp, EUMETSAT)         | 
 | 30m | SAF Network Concept and Implementation Status  Juha-Pekka Luntama (GRAS Mission Scientist, EUMETSAT)    | 
 | 10m | The role of GPS atmosphere profiling in weather forecasting and atmosphere research  Per Høeg (Chairman, GRAS SAF Steering Grp, DMI) | 
 | 10m | The GRAS SAF Project and Aim of the User Workshop  Georg B. Larsen (GRAS SAF PM, DMI) | 
| 18:20 - 19:30 |  |     Reception | 
| 19:30   |  |   Dinner | 
 Thursday (June 12) | 
|   7:30 -   9:00 |  |   Breakfast        | 
|  9:00 - 10:15 |  | Session 2: Radio Occultation Method     Chairman: Antonio Rius    | 
 | 25m | Introduction to Radio Occultations  Georg B. Larsen (GRAS SAF PM, DMI)   | 
 | 20m | Simulation Studies on the Analysis of Radio Occultation Data  Andrea K. Steiner (U Graz) | 
 | 15m | Radio Occultation and Multipath Behavior  Kent B. Lauritsen (GRAS SAF, DMI)   | 
 | 15m | User Requirements for GRAS SAF Radio Occultation Products  Dave Offiler (GRAS SAF, MetO)        | 
| 10:15 - 10:45 |  |     Coffee   | 
| 10:45 - 12:00 |  | Session 3: Data Assimilation Technique Chairman: Christian Marquardt      | 
 | 35m | An Introduction to Data Assimilation  Hans Huang (DMI) | 
 | 20m | Assimilation of GPS Radio Occultation Measurements at DAO  Paul Poli (DAO) | 
 | 20m | 3D-Var Assimilation of CHAMP Measurements at the Met Office  Sean Healy (GRAS SAF, MetO) | 
| 12:00 - 13:30       |  | Lunch  | 
| 13:30 - 15:00 |  | Session 4: EUMETSAT/GRAS SAF Products Chairman: Kent B. Lauritsen | 
 | 30m | GRAS Level 1 Processing and Data Products  Juha-Pekka Luntama (EUMETSAT)        | 
 | 30m | GRAS SAF System, Products, and Archive  Frans Rubek, Martin B. Sørensen (GRAS SAF, DMI) | 
 | 15m | WMO BUFR format for NRT dissemination of RO data Dave Offiler (GRAS SAF, MetO) | 
 | 15m | GRAS SAF Software Deliverables  Sean Healy, Dave Offiler, Christian Marquardt (GRAS SAF, MetO) | 
| 15:00 - 15:30 |  |     Discussion       | 
| 15:30 - 16:00       |  | Coffee  | 
| 16:00 - 17:30 |  | Session 5: User Views on Products, Assimilation, and Climate Issues Chairman: Dave Offiler | 
 | 25m   |  Assimilation of satellite data at ECMWF: prospects for use of radio-occultation measurements  Jean-Noël Thépaut (ECMWF) | 
 | 15m   | Assimilation of Radio Occultation Data at DWD  Andreas Rhodin (DWD) | 
 | 15m   | The Humidity Composite Product of the CM-SAF: A Possible User of the GRAS-SAF  Helga Nitsche (CM SAF, DWD) | 
 | 15m   | On the direct use of GNSS RO refractivity measurements for climate monitoring        Henrik Vedel (DMI) | 
 | 15m   | Exploitation of the High Resolution of GRAS Limb Soundings  Christian Marquardt (GRAS SAF, MetO)  | 
| 17:30 - 18:00 |  |     Discussion | 
| 18:00 |  |     Dinner   | 
 Friday (June 13) | 
|   7:30 -   9:00 |  |   Breakfast        | 
|   9:00 - 10:30 |  | Session 6: Products From Current and Future RO Missions Chairman: Frans Rubek    | 
 | 30m | Radio Occultation Data Analysis at the COSMIC Data Analysis & Archival Center (CDAAC)  Doug Hunt (UCAR)    | 
 | 30m | Using GPS Radio Occultation Data Operationally at NOAA: Plans and Issues  Jim Yoe (NOAA) | 
 | 30m |  GPS Radio occultation with CHAMP: Operational data analysis and validation of vertical atmospheric profiles  Jens Wickert (GFZ) | 
| 10:30 - 11:00 |  |     Coffee   | 
 | 30m | The ACE+ mission: Exploring atmosphere and climate of the Earth using GPS, GALILEO, and LEO-LEO occultations  Per Høeg (DMI) | 
| 11:30 - 12:00 |  |     Discussion & End of User Workshop        | 
| 12:00 |  |     Lunch  |  | 
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