Postprocessing of L1 GPS radio occultation signals recorded in open-loop mode

Radio Science

Volumn 44, Issue 2, 2009, Pages

  Sokolovskiy, S ^a   Rocken, C ^a   Schreiner, W ^a   Hunt, D ^a   Johnson, J ^a,b  

^a UNIVERSITY CORPORATION FOR ATMOSPHERIC RESEARCH   (United States)

^b GPS Solutions Inc   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CLIMATE STUDIES; GPS NAVIGATION; GPS RECEIVERS; HIGH-QUALITY OBSERVATIONS; INVERSION RESULTS; LOW EARTH ORBITING SATELLITES; LOWER TROPOSPHERE; NUMERICAL WEATHER FORECASTING; OPEN LOOPS; RADIO OCCULTATIONS; RECEIVER MODELS; SIGNAL FREQUENCIES; STATISTICAL COMPARISONS;

CLIMATOLOGY; EARTH (PLANET); PHASE LOCKED LOOPS; REFRACTION; SIGNAL PROCESSING; WEATHER FORECASTING; WEATHER SATELLITES;

GLOBAL POSITIONING SYSTEM;

EID: 76749097306     PISSN: 00486604     EISSN: None     Source Type: Journal    
DOI: 10.1029/2008RS003907     Document Type: Article

References (27)

1. Anthes, R. A., et al. (2008), The COSMIC/FORMOSAT-3 mission: Early results, Bull. Am. Meteorol. Soc., 89(3), 313-333.
2. Ao, C. O. (2007), Effect of ducting on radio occultation measurements: An assessment based on high-resolution radiosonde soundings, Radio Sci., 42, RS2008, doi:10.1029/ 2006RS003485.
3. Ao, C. O., T. K. Meehan, G. A. Hajj, A. J. Mannucci, and G. Beyerle (2003), Lower troposphere refractivity bias in GPS occultation retrievals, J. Geophys. Res., 108(D18), 4577, doi:10.1029/2002JD003216.
4. Beyerle, G., K. Hocke, J. Wickert, T. Schmidt, C. Marquardt, and C. Reigber (2002), GPS radio occultation with CHAMP: A radio holographic analysis of GPS signal propagation in the troposphere and surface reflections, J. Geophys. Res., 107(D24), 4802, doi:10.1029/2001JD001402.
5. Beyerle, G., M. E. Gorbunov, and C. O. Ao (2003), Simulation studies of GPS radio occultation measurements, Radio Sci., 38(5), 1084, doi:10.1029/2002RS002800.
6. Beyerle, G., T. Schmidt, J. Wickert, S. Heise, M. Rotacher, G. Koenig-Langlo, and K. B. Lauritsen (2006), Observations and simulations of receiver-induced refractivity biases in GPS radio occultation, J. Geophys. Res., 111, D12101, doi:10.1029/2005JD006673.
7. Cucurull, L., J. C. Derber, R. Treadon, and R. J. Purser (2007), Assimilation of Global Positioning System radio occultation observations into NCEPs global data assimilation system, Mon. Weather Rev., 135, 3174-3193.
8. Eyre, J. (1994), Assimilation of radio occultation, measurements into a numerical weather prediction system, ECMWF Tech. Memo., 199, 34.
9. Foelsche, U., M. Borsche, A. K. Steiner, A. Gobiet, B. Pirscher, G. Kirchengast, J. Wickert, and T. Schmidt (2008), Observing upper troposphere-lower stratosphere climate with radio occultation data from the CHAMP satellite, Clim. Dyn., 31(1), 49-65, doi:10.1007/S00382-007-0337-7.
10. Hajj, G. A., et al. (2004), CHAMP and SAC-C atmospheric occultation results and intercomparisons, J. Geophys. Res., 109, D06109, doi:10.1029/2003JD003909.
11. Kirchengast, G., J. Hafner, and W. Poetzi (1999), The CIRA86aQ-UoG model: An extension of the CIRA-86 monthly tables including humidity tables and a Fortran 95 global moist air climatology model, IMG/UoG Tech. Rep. 8, Eur. Space Agency, Paris.
12. Kuo, Y.-H., T.-K. Wee, S. Sokolovskiy, C. Rocken, W. Schreiner, D. Hunt, and R. A. Anthes (2004), Inversion and error estimation of GPS radio occultation data, J. Meteorol. Soc. Jpn., 82(1B), 507-531.
13. 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.
14. Lindai, G. F., G. E. Wood, H. B. Hotz, D. N. Sweetnam, V. R. Eshleman, and G. L. Tyler (1983), The atmosphere of Titan: An analysis of the Voyager 1 radio occultation measurements, Icarus, 53, 348-363.
15. Poli, P. (2006), Assimilation of GNSS radio occultation data into numerical weather prediction, in Atmosphere and Climate Studies by Occultation Methods, Springer, New York.
16. Ringer, M. A., and S. B. Healy (2008), Monitoring twenty-first century climate using GPS radio occultation bending angles, Geophys. Res. Lett., 35, L05708, doi:10.1029/2007GL032462.
17. Rocken, C., et al. (1997), Analysis and validation of GPS/MET data in the neutral atmosphere, J. Geophys. Res., 102(D25), 29,849-29,866.
18. Schreiner, W., C. Rocken, S. Sokolovskiy, S. Syndergaard, and D. Hunt (2007), Estimates of the precision of GPS radio occultations from the COSMIC/FORMOSAT-3 mission, Geophys. Res. Lett., 34, L04808, doi:10.1029/ 2006GL027557.
19. Sokolovskiy, S. (2001a), Modeling and inverting radio occultation signals in the moist troposphere, Radio Sci., 36(3), 441-458.
20. Sokolovskiy, S. (2001b), Tracking tropospheric radio occultation signals from low Earth orbit, Radio Sci., 36(3), 483-498.
21. Sokolovskiy, S. (2003), Effect of superrefraction on inversions of radio occultation signals in the lower troposphere, Radio Sci., 38(3), 1058, doi:10.1029/2002RS002728.
22. Sokolovskiy, S., C. Rocken, D. Hunt, W Schreiner, J. Johnson, D. Masters, and S. Esterhuizen (2006), GPS profiling of the lower troposphere from space: Inversion and demodulation of the open-loop radio occultation signals, Geophys. Res. Lett., 33, L14816, doi:10.1029/2006GL026112.
23. Thayer, D. (1974), An improved equation for the radio refractive index of air, Radio Sci., 9, 803-807.
24. Thomas, J. B. (1995), Signal-processing theory for the TurboRogue receiver, JPL Publ., 95-6.
25. Ware, R., et al. (1996), GPS sounding of the atmosphere from low Earth orbit: Preliminary results, Bull. Am. Meteorol. Soc., 77, 19-40.
26. Wickert, J., et al. (2001), Atmosphere sounding by GPS radio occultation: First results from CHAMP, Geophys. Res. Lett., 28(11), 3263-3266.
27. Xie, F., S. Syndergaard, E. R. Kursinski, and B. M. Herman (2006), An approach for retrieving marine boundary layer refractivity from GPS occultation data in the presence of superrefraction, J. Atmos. Oceanic Technol., 23, 1629-1644.