Radio occultation techniques for probing the ionosphere

Annals of Geophysics

Volumn 47, Issue 2-3 SUPPL., 2004, Pages 1049-1066

  Jakowski, Norbert ^a   Leitinger, Reinhart ^b   Angling, Matthew ^c  

^a GERMAN AEROSPACE CENTER DLR   (Germany)

^b UNIVERSITY OF GRAZ   (Austria)

^c QINETIQ   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

GNSS; GPS; IONOSPHERE; REMOTE SENSING; VERTICAL PROFILE;

EID: 8844263125     PISSN: 15935213     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (38)

1. Angling, M.J. and P.S. Cannon (2004): Assimilation of radio occultation measurements into background ionospheric models, in Proceedings of the Ionospheric Effects Symposium, May 7-9, 2002, Alexandria, Virginia, Radio Sci. (accepted).
2. Bouttier, F. and P. Courtier (1999): Data assimilation concepts and methods, in ECMWF Training Course Notes, European Centre for Medium-range Weather Forecast.
3. Bullen, K.E. (1963): An Introduction to the Theory of Seismology (Cambridge University Press, Cambridge), 3rd edition.
4. Davies, K. (1990): Ionospheric Radio (Peter Peregrinus Ltd., London, U.K.).
5. Fremouw, E.J. and J.A. Secan (1992): Application of stochastic inverse theory to ionospheric tomography, Radio Sci., 27 (5), 721-732.
6. Fremouw, E.J., J.A. Secan, R.M. Bussey and B.M. Howe (1994): A status report on applying discreteinverse theory to ionospheric tomography, Int. J. Imaging Sys. Technol., 5, 97-105.
7. Garcia-Fernandez, M., A. Aragon, M. Hernandez-Pajares, J.M. Juan, J. Sanz, and V. Rios (2003): Ionospheric tomography with GPS data from CHAMP and SAC-C, in Proceedings ofthe Second CHAMP Science Meeting, 1-4 September 2003, GFZ Potsdam (accepted).
8. Hajj, G.A. and L.J. Romans (1998): Ionospheric electron density profiles obtained with the Global Positioning System: results from the GPS/MET experiment, Radio Sci., 33, 175-190.
9. Heise, S., N. Jakowski, A. Wehrenpfennig, Ch. Reigber and H. Lühr (2002): Sounding of the topside ionosphere/plasmasphere based on GPS measurements from CHAMP: initial results, Geophys. Res. Lett., 29 (14), 10.1029/2002GL014738.
10. Herglotz, G. (1907): Über das Benndorfsche Problem der Fortpflanzungsgeschwindigkeit der Erdbebenstrahlen, Phys. Z., 8, 145-147.
11. Hochegger, G. and R. Lettinger (2000): Inversions of satellite to satellite electron content: simulation studies with NeUoG-plas, Phys. Chem. Earth (C), 25 (4), 353-357.
12. Hochegger, G. and R. Leitinger (2001): Model assisted inversion of GNSS occultation data, Phys. Chem. Earth (C), 26 (5), 325-330.
13. Hochegger, G., B. Nava, S.M. Radicella and R. Leitinger (2000): A family of ionospheric models for different uses, Phys. Chem. Earth (C), 25 (4), 307-310.
14. Jakowski, N. (1999): Capabilities of radio occultation measurements onboard LEO satellites for ionospheric monitoring and research, in Proceedings of the 4th COST251 Workshop ≪The Impact of the Upper Atmosphere on Terrestrial and Earth-Space Communications≫, 22-25 Match, Funchal, Madeira, Portugal, edited by A. Vernon, 116-121.
15. Jakowski, N. and K. Tsybulya (2003): Comparison of ionospheric radio occultation CHAMP data with IRI-2001, IRI Newsletter, 10 (1, 2, 4-7).
16. Jakowski, N., A. Wehrenpfennig, S. Heise, Ch. Reigber, H. Lühr, L. Grunwaldt and T. Meehan (2002a): GPS Radio Occultation Measurements of the Ionosphere from CHAMP: Early Results, Geophys. Res. Lett., 29 (10), 10.1029/2001GL014364.
17. Jakowski, N., I. S. Kutiev, S. Heise and A. Wehrenpfennig (2002b): A topside ionosphere/plasmasphere model for operational applications, on CD-Proceedings of the XXVIIth General Assembly of URSI, 17-24 August 2002, Maastricht, The Netherlands.
18. Jakowski, N., K. Tsybulya, S.M. Stankov and A. Wehrenpfennig (2004a): About the potential of GPS radio occultation measurements for exploring the ionosphere, in Proceedings of the Second CHAMP Science Meeting, 1-4 September 2003, GFZ Potsdam (accepted).
19. Jakowski, N., K. Tsybulya, J. Mielich, A. Belehaki, D. Altadill, J.C. Jodogne and B. Zolesi, (2004b): Validation of GPS Radio Occultation Measurements on CHAMP by Vertical Sounding Observations in Europe, in Proceedings of the 2nd CHAMP Science Meeting, 1-4 September 2003, GFZ Potsdam (accepted).
20. Jakowski, N., S. Heise, A. Wehrenpfennig and K. Tsybulya (2004C): Ionospheric radio occultation measurements and space weather, in Proceedings of the OPAC-1 Meeting, 16-20 September 2002, Graz, Austria (accepted).
21. Jakowski, N., K. Tsybulya, S.M. Radicella, M. Cueto and M. Herraiz (2004d): Comparison of ionospheric electron density profiles from CHAMP Satellite with NeQuick model, in Proceedings of the 2nd CHAMP Science Meeting, 1-4 September 2003, GFZ Potsdam (accepted).
22. Jeffreys, H. (1976): The Earth. Its Originam History and Physical Constitution (Cambridge University Press, Cambridge), 6th edition.
23. Kursinski, E.R., G.A. Hajj, J.T. Schofield, R.P. Linfield and K.R. Hardy (1997): Observing Earth's atmosphere with radio occultation measurements using the Global Positioning System, J. Geophys. Res., 102 (D19), 23,429-23,465.
24. Meggs, R.W., C.N. Mitchell and P.S.J. Spencer (2002): Comparison of thin shell and 4D inversion techniques for measurement and mapping of total electron content using GPS signals over Europe, paper presented at Ionospheric Effects Symposium, Alexandria, Virginia, U.S.A.
25. Menke, W. (1989): Geophysical Data Analysis: Discrete Inverse Theory (International Geophysics Series, San Diego, Academic Press).
26. Mitchell, C.N. and P.S.J. Spencer (2002): Development of tomographic techniques for large scale ionospheric imaging, paper presented at Ionospheric Effects Symposium, Alexandria, Virginia, U.S.A., 601-608.
27. O'Loughlin, K.F. (1997): SPIDR on the Web: Space Physics Interactive Data Resource on-line analysis tool, Radio Sci., 32, 2021-2026.
28. Reigber, Ch., H. Lühr and P. Schwintzer (2000): CHAMP mission status and perspectives, Eos, Trans. Am. Geophys. Un., 81 (suppl. to no. 48), F307.
29. Schreiner, W.S., S.V. Sokolovski and C. Rocken (1999): Analysis and validation of GPS/MET radio occultation data in the ionosphere, Radio Sci., 34, 949-966.
30. Spalla, P., N. Jakowski, C.N. Mitchell, P.S.J. Spencer and A. Wehrenpfennig (2002): Validation of CHAMP ionospheric radio-occultation observations over Europe, in Proceedings of the Ionospheric Effects Symposium, 7-9 May 2002, Alexandria, Virginia, 442-449.
31. Spalla, P., N. Jakowski, A. Wehrenpfennig, P.S. Spencer and C.N. Mitchell (2003): Verification of CHAMP radio occultation observations in the ionosphere using MIDAS, first CHAMP science mission results for gravity, in Magnetic and Atmospheric Studies, edited by Ch. Reigber, H. Lühr and P. Schwintzer (Springer Verl., Berlin, Heidelberg-New York), 545-550.
32. Stamper, R., J. Lilensten and N. Jakowski (2004): Nowcasting, forecasting and warning for ionospheric propagation: supporting databases, Ann. Geophysics, 47 (suppl. to no. 2/3), 945-955 (this volume).
33. Stankov, S.M. and N. Jakowski (2004): Topside plasma scale height based on CHAMP measurements: first Results, in Proceedings of the Second CHAMP Science Meeting, 1-4 September 2003, GFZ Potsdam (accepted).
34. Stolle, C., N. Jakowski, K. Schlegel and M. Rietveld (2004): Comparison of high latitude electron density profiles obtained with the GPS radio occultation technique and EISCAT measurements, Ann. Geophysicae, 22 (6), 2015-2028.
35. Twomey, S. (1977): Introduction to the Mathematics of Inversion in Remote Sensing and Indirect Measurements (New York, Dover Publications).
36. Wehrenpfennig, A., N. Jakowski and J. Wickert (2001): A dynamically configurable system for operational processing of space weather data, Phys. Chem. Earth, 26, 601-604.
37. Wickert, J., G. Beyerle, G.A. Hajj, V. Schwieger and Ch. Reigber (2002): GPS radio occultation with CHAMP: Atmospheric profiling utilizing the space-based single difference technique, Geophys. Res. Lett., 29 (8), 101029/2001GL013982.
38. Wiechert, E. and L. GF??? (1910): Bestimmung des Weges der Erdbebenwellen im Erdinnern, Phys. Z., 11, 294-312.