SEARCH

SEARCH BY CITATION

References

  • Anghel, A., C. Carrano, A. Komjathy, A. Astilean, and T. Letia (2009), Kalman filter-based algorithms for monitoring the ionosphere and plasmasphere with GPS in near-real time, J. Atmos. Sol. Terr. Phys., 71, 158174, doi:10.1016/j.jastp.2008.10.006.
  • Araujo-Pradere, E. A., T. J. Fuller-Rowell, P. S. J. Spencer, and C. F. Minter (2007), Differential validation of the US-TEC model, Radio Sci., 42, RS3016, doi:10.1029/2006RS003459.
  • Arikan, F., C. B. Erol, and O. Arikan (2003), Regularized estimation of vertical total electron content from Global Positioning System data, J. Geophys. Res., 108(A12), 1469, doi:10.1029/2002JA009605.
  • Arikan, F., H. Nayir, U. Sezen, and O. Arikan (2008), Estimation of single station interfrequency receiver bias using GPS-TEC, Radio Sci., 43, RS4004, doi:10.1029/2007RS003785.
  • Bar-Shalom, Y., X. Rong Li, and T. Kirubarajan (2001), Estimation With Applications to Tracking and Navigation, pp. 371395, John Wiley and Sons, New York.
  • Bierman, J. (1977), Factorization Methods for Discrete Sequential Estimation, pp. 68112, Dover Publications, New York.
  • Bilitza, D., and B. W. Reinisch (2008), International Reference Ionosphere 2007: Improvements and new parameters, Adv. Space Res., 42, 599609, doi:10.1016/j.asr.2007.07.048.
  • Bishop, G. J., J. A. Klobuchar, and P. H. Doherty (1985), Multipath effects on the determination of absolute ionospheric time delay from GPS signals, Radio Sci., 20(3), 388396, doi:10.1029/RS020i003p00388.
  • Bishop, G. J., D. J. Jacavanco, D. S. Coco, C. E. Coker, J. A. Klobuchar, E. J. Weber, and P. H. Doherty (1987), An advanced system for measurement of transionospheric radio propagation effects using GPS signals, Environmental Research Papers, No. 989, Air Force Geophys. Lab., Hanscom Air Force Base, Mass.
  • Bishop, G., A. Mazzella, and E. Holland (1995a), Self-calibration of pseudorange errors by GPS two-frequency receivers, Proceedings of the 1995 National Technical Meeting of the Institute of Navigation, pp. 251–259, Anaheim, CA,.
  • Bishop, G., A. Mazzella, and E. Holland (1995b), Application of SCORE techniques to improve ionospheric observations, Proceedings of the 8th International Technical Meeting of the Satellite Division of the Institute of Navigation, pp. 1209–1218, Palm Springs, CA,.
  • Bishop, G., A. Mazzella, E. Holland, and S. Rao (1996), Algorithms that use the ionosphere to control GPS errors, Position Location and Navigation Symposium, 1996 IEEE, pp. 145–152, Atlanta, GA.
  • Bishop, G., A. Mazzella, S. Rao, A. Batchelor, P. Fleming, N. Lunt, and L. Kersley (1997), Validations of the SCORE process. Proceedings of the 1997 National Technical Meeting of the Institute of Navigation, pp. 289–296, Santa Monica, CA.
  • Bust, G. S., and C. N. Mitchell (2008), History, current state, and future directions of ionospheric imaging, Rev. Geophys., 46, RG1003, doi:10.1029/2006RG000212.
  • Chapman, S. (1931), The absorption and dissociative or ionizing effect of monochromatic radiation of an atmosphere on a rotating Earth, Proc. Phys. Soc., 43(1), 2645.
  • Ciraolo, L., and P. Spalla (1997), Comparison of ionospheric total electron content from the Navy Navigation Satellite System and the GPS, Radio Sci., 32(3), 10711080, doi:10.1029/97RS00425.
  • Ciraolo, L., F. Azpilicueta, C. Brunini, A. Meza, and S. M. Radicella (2007), Calibration errors on experimental slant total electron content (TEC) determined with GPS, J. Geod., 81(2), 111120, doi:10.1007/s00190-006-0093-1.
  • Clynch, J., D. Coco, C. Coker, and G. Bishop (1989), A versatile GPS ionospheric monitor: High latitude measurements of TEC and scintillation, Proceedings of ION GPS-89; the Second International Technical Meeting of the Satellite Division of the Institute of Navigation, pp. 445–450, Washington, D. C.
  • Coco, D. S., C. Coker, S. R. Dahlke, and J. R. Clynch (1991), Variability of GPS satellite differential group delay, IEEE Trans. Aerosp. Electron. Syst., 27(6), 931938, doi:10.1109/7.104264.
  • Coker, C., D. Coco, and T. Gaussiran II (1996), Emerging capabilities for GPS as an ionospheric sensor, Proceedings of the 1996 Ionospheric Effects Symposium, pp. 391–397, Alexandria, Va..
  • Coster, A. J., E. M. Gaposchkin, and L. E. Thornton (1991), Real-time GPS ionospheric monitoring system at Millstone-initial results, Proceedings of the 1991 Space Surveillance Workshop, MIT Lincoln Laboratory Project Report STK-175, 39–45.
  • Coster, A., E. Gaposchkin, and L. Thornton (1992), Real-time ionospheric monitoring system using the GPS, Navigation, 39(2), 191204.
  • Coster, A., and A. Komjathy (2008), Space weather and the Global Positioning System, Space Weather, 6, S06D04, doi:10.1029/2008SW000400.
  • Feltens, J. (1998), Chapman profile approach for 3-D Global TEC representation, IGS presentation, in Proceedings of the 1998 IGS Analysis Centers Workshop, pp. 285297, Eur. Space Oper. Centre, Darmstadt, Germany, 9–11 Feb.
  • Feltens, J. (2003), The International GPS Service (IGS) Ionosphere Working Group, Adv. Space Res., 31(3), 635644, doi:10.1016/S0273-1177(03)00029-2.
  • Hernandez-Pajares, M., J. M. Juan, J. Sanz, and J. G. Sole (1998), Global observation of the ionospheric electronic response to solar events using ground and LEO GPS data, J. Geophys. Res., 103(A9), 20,78920,796.
  • Hernandez-Pajares, M., J. M. Juan, and J. Sanz (1999), New approaches in global ionospheric determination using ground GPS data, J. Atmos. Sol. Terr. Phys., 61(16), 12371247.
  • Hernandez-Pajares, M., J. M. Juan, J. Sanz, and O. L. Colombo (2000), Application of ionospheric tomography to real-time GPS carrier-phase ambiguities resolution, at scales of 400–1000 km and with high geomagnetic activity, Geophys. Res. Lett., 27(13), 20092012.
  • Hernandez-Pajares, M., J. M. Juan, J. Sanz, and O. L. Colombo (2002), Improving the real-time ionospheric determination from GPS sites at very long distances over the equator, J. Geophys. Res., 107(A10), 1296, doi:10.1029/2001JA009203.
  • Hernandez-Pajares, M., J. M. Juan, J. Sanz, and M. Garcia-Fernandez (2005), Towards a more realistic ionospheric mapping function, XXVIII URSI General Assembly.
  • Hernandez-Pajares, M., J. M. Juan, J. Sanz, R. Orus, A. Garcia-Rigo, J. Feltens, A. Komjathy, S. C. Schaer, and A. Krankowski (2009), The IGS VTEC maps: A reliable source of ionospheric information since 1998, J. Geod., 83(3–4), 263275, doi:10.1007/s00190-008-0266-1.
  • Jakowski, N., E. Sardon, E. Engler, A. Jungstand, and D. Klahn (1996), Relationships between GPS-signal propagation errors and EISCAT observations, Ann. Geophys., 14, 14291436, doi:10.1007/s00585-996-1429-0.
  • Juan, J. M., A. Rius, M. Hernandez-Pajares, and J. Sanz (1997), A two-layer model of the ionosphere using Global Positioning System data, Geophys. Res. Lett., 24(4), 393396, doi:10.1029/97GL00092.
  • Kailath, T. (1980), Linear Systems, pp. 80111, Prentice-Hall, New Jersey.
  • Klobuchar, J. A. (1975), A First-Order, Worldwide, Ionospheric, Time-Delay Algorithm (No. AFCRL-TR-75-0502), Air Force Cambridge Res. Lab., Hanscom Air Force Base, Mass.
  • Klobuchar, J. A. (1983), Ionospheric Effects on Earth-Space Propagation (No. AFGL-TR-84-0004), Air Force Geophys. Lab., Hanscom Air Force Base, Mass.
  • Komjathy, A. (1997), Global ionospheric total electron content mapping using the Global Positioning System, PhD thesis, Dep. of Geod. and Geomatics Eng., Univ. of New Brunswick, Fredericton, New Brunswick, Canada.
  • Komjathy, A., and R. Langley (1996), An assesment of predicted and measured ionospheric total electron content using a regional GPS network, in Proceedings of the 1996 National Technical Meeting of the Institute of Navigation, pp. 615624, Santa Monica, Calif., 22–24 Jan.
  • Komjathy, A., B. D. Wilson, T. F. Runge, B. M. Boulat, A. J. Mannucci, L. Sparks, and M. J. Reyes (2002), A new ionospheric model for wide area differential GPS: The multiple shell approach, in Proceedings of the 2002 National Technical Meeting of The Institute of Navigation, pp. 460466, San Diego, Calif., 28–30 Jan.
  • Lanyi, G. E., and T. Roth (1988), A comparison of mapped and measured total ionospheric electron content using global positioning system and beacon satellite observations, Radio Sci., 23(4), 483492, doi:10.1029/RS023i004p00483.
  • Liao, X. (2000), Carrier phase based ionosphere recovery over a regional area GPS network, MS thesis, Dep. of Geomatics Eng., Univ. of Calgary, Calgary, Alberta, Canada.
  • Ma, G., and T. Maruyama (2003), Derivation of TEC and estimation of instrumental biases from GEONET in Japan, Ann. Geophys., 21, 20832093, doi:10.5194/angeo-21-2083-2003.
  • Mannucci, A. J., B. D. Wilson, and D. N. Yuan (1995), An improved ionospheric correction method for wide-area augmentation systems, in Proceedings of the 8th International Technical Meeting of the Satellite Division of The Institute of Navigation, pp. 11991208, Palm Springs, Calif., 12–15 Sept.
  • Mannucci, A. J., B. D. Wilson, D. N. Yuan, C. H. Ho, U. J. Lindqwister, and T. F. Runge (1998), A global mapping technique for GPS-derived ionospheric total electron content measurements, Radio Sci., 33(3), 565582, doi:10.1029/97RS02707.
  • Mannucci, A. J., B. Iijima, L. Sparks, X. Pi, B. Wilson, and U. Lindqwister (1999), Assessment of global TEC mapping using a three-dimensional electron density model, J. Atmos. Sol. Terr. Phys., 61, 12271236, doi:10.1016/S1364-6826(99)00053-X.
  • Meggs, R. W., C. N. Mitchell, and P. S. J. Spencer (2004), A comparison of techniques for mapping total electron content over Europe using GPS signals, Radio Sci., 39, RS1S10, doi:10.1029/2002RS002846.
  • Minter, C. F., D. S. Robertson, P. S. J. Spencer, A. R. Jacobson, T. J. Fuller-Rowell, E. A. Araujo-Pradere, and R. W. Moses (2007), A comparison of Magic and FORTE ionosphere measurements, Radio Sci., 42, RS3026, doi:10.1029/2006RS003460.
  • Misra, P., and P. Enge (2006), Global Positioning System, Signals, Measurements, and Performance, pp. 164169, Ganga-Jamuna Press, Lincoln, Mass.
  • Morton, J., Q. Zhou, and M. Cosgrove (2007), A floating vertical TEC ionosphere delay correction algorithm for single frequency GPS receivers, in Proceedings of the 63rd Annual Meeting of The Institute of Navigation, pp. 479484, Cambridge, Mass., 23–25 April.
  • Nayir, H., F. Arikan, O. Arikan, and C. B. Erol (2007), Total electron content estimation with Reg-Est, J. Geophys. Res., 112, A11313, doi:10.1029/2007JA012459.
  • Orus, R., M. Hernandez-Pajares, J. Juan, J. Sanz, and M. Garcia-Fernandez (2002), Performance of different TEC models to provide GPS ionospheric corrections, J. Atmos. Sol. Terr. Phys., 64, 20552062, doi:10.1016/S1364-6826(02)00224-9.
  • Orus, R., M. Hernandez-Pajares, J. Juan, J. Sanz, and M. Garcia-Fernandez (2003), Validation of the GPS TEC maps with TOPEX data, Adv. Space Res., 31(3), 621627, doi:10.1016/S0273-1177(03)00026-7.
  • Otsuka, Y., T. Ogawa, A. Saito, T. Tsugawa, S. Fukao, and S. Miyazaki (2002), A new technique for mapping of total electron content using GPS network in Japan, Earth Planet Space, 54, 6370.
  • Rao, G. S. (2007), GPS satellite and receiver instrumental biases estimation using least squares method for accurate ionosphere modelling, J. Earth Syst. Sci., 116(5), 407411.
  • Rideout, W., and A. Coster (2006), Automated GPS processing for global total electron content data, GPS Solutions, 10, 219228, doi:10.1007/s10291-006-0029-5.
  • Skone, S. (2006), TECMODEL operating manual, version 1.0, Univ. of Calgary, Calgary, Alberta, Canada.
  • Smith, D. A., E. A. Araujo-Pradere, C. Minter, and T. Fuller-Rowell (2008), A comprehensive evaluation of the errors inherent in the use of a two-dimensional shell for modeling the ionosphere, Radio Sci., 43, RS6008, doi:10.1029/2007RS003769.
  • Spencer, P. S. J., D. S. Robertson, and G. L. Mader (2004), Ionospheric data assimilation methods for geodetic applications, in Proceedings of IEEE PLANS 2004, pp. 510517, Montery, Calif., 26–29 April.
  • Yilmaz, A., K. E. Akdogan, and M. Gurun (2009), Regional TEC mapping using neural networks, Radio Sci., 44, RS3007, doi:10.1029/2008RS004049.