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Inhalt des Dokuments

2018

Alexander, P., Schmidt, T., de la Torre, A.: A Method to Determine Gravity Wave Net Momentum Flux, Propagation Direction, and “Real” Wavelengths: A GPS Radio Occultations Soundings Case Study, Earth and Space Science, 5, 6, pp. 222—230, https://doi.org/10.1002/2017EA000342 [1]


Alshawaf, F., Zus, F., Balidakis, K., Deng, Z., Hoseini, M., Dick, G., Wickert, J.: On the Statistical Significance of Climatic Trends Estimated From GPS Tropospheric Time Series, Journal of Geophysical Research, 123, 19, pp. 10,967—10,990, https://doi.org/10.1029/2018JD028703 [2]


Arras, C., Wickert, J.: Estimation of ionospheric sporadic E intensities from GPS radio occultation measurements, Journal of Atmospheric and Solar-Terrestrial Physics, 171, pp. 60—63, http://doi.org/10.1016/j.jastp.2017.08.006 [3]


Asgarimehr, M., Wickert, J., Reich, S.: TDS-1 GNSS Reflectometry: Development and Validation of Forward Scattering Winds, IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 11,  pp. 4534—4541, http://doi.org/10.1109/JSTARS.2018.2873241 [4]


Asgarimehr, M., Zavorotny, V., Wickert, J., Reich, S.: Can GNSS Reflectometry Detect Precipitation Over Oceans?, Geophysical Research Letters, 45, 22, pp. 12,585—12, 592, http://doi.org/10.1029/2018GL079708 [5]


Balidakis, K., Nilsson, T., Zus, F., Glaser, S., Heinkelmann, R., Deng, Z., Schuh, H.: Estimating Integrated Water Vapor Trends From VLBI, GPS, and Numerical Weather Models: Sensitivity to Tropospheric Parameterization, Journal of Geophysical Research, 123, 12, pp., 6356—6372, http://doi.org/10.1029/2017JD028049 [6]


Cardellach, E., Wickert, J., Baggen, R., Benito, J., Camps, A., Catarino, N., Chapron, B., Dielacher, A., Fabra, F., Flato, G., Fragner, H., Gabarró, C., Gommenginger, C., Haas, C., Healy, S., Hernandez-Pajares, M., Høeg, P., Jäggi, A., Kainulainen, J., Khan, S. A., Lemke, N. M., Li, W., Nghiem, S. V., Pierdicca, N., Portabella, M., Rautiainen, K., Rius, A., Sasgen, I., Semmling, M., Shum, C., Soulat, F., Steiner, A. K., Tailhades, S., Thomas, M., Vilaseca, R., Zuffada, C.: GNSS Transpolar Earth Reflectometry exploriNg system (G-TERN): Mission concept, IEEE Access, 6, pp. 13980—14018, http://doi.org/10.1109/ACCESS.2018.2814072 [7]


Chen, X., Lu, C., Guo, B., Guo, F., Ge, M., Li, X., Schuh, H.: GPS/GLONASS Combined Precise Point Positioning With the Modeling of Highly Stable Receiver Clock in the Application of Monitoring Active Seismic Deformation, Journal of Geophysical Research, 123, 5, pp., 4025-4040, https://doi.org/10.1029/2017JB015060 [8]


de la Torre, A., Alexander, P., Schmidt, T., Llamedo, P., Hierro, R.: On the distortions in calculated GW parameters during slanted atmospheric soundings, Atmospheric Measurement Techniques, 11, pp. 1363—1375, https://doi.org/10.5194/amt-11-1363-2018 [9]


Heublein, M., Alshawaf, F., Erdnüß, B., Zhu, X. X., Hinz, S.: Compressive sensing reconstruction of 3D wet refractivity based on GNSS and InSAR observations, Journal of Geodesy, https://doi.org/10.1007/s00190-018-1152-0 [10]


Knížová, P. K., Yigit, E., Arras, C., Chang, L.: Preface of the special issue: “Vertical coupling in the atmosphere-ionosphere system: Recent progress”, Journal of Atmospheric and Solar-Terrestrial Physics, 171, pp. 1-2, http://doi.org/10.1016/j.jastp.2018.02.007 [11]


Li, X., Li, X., Yuan, Y., Zhang, K., Zhan, X., Wickert, J.: Multi-GNSS phase delay estimation and PPP ambiguity resolution: GPS, BDS, GLONASS, Galileo, Journal of Geodesy, 92, 6, pp. 579—608, https://doi.org/10.1007/s00190-017-1081-3 [12]


Li, X., Tan, H., Li, X., Dick, G., Wickert, J., Schuh, H.: Real-Time Sensing of Precipitable Water Vapor From BeiDou Observations: Hong Kong and CMONOC Networks, Journal of Geophysical Research, 123, 15, pp. 7897—7909, https://doi.org/10.1029/2018JD028320 [13]


Lu, C., Li, X., Cheng, J., Dick, G., Ge, M., Wickert, J., Schuh, H.: Real-Time Tropospheric Delay Retrieval from Multi-GNSS PPP Ambiguity Resolution: Validation with Final Troposphere Products and a Numerical Weather Model, Remote Sensing, 10, 3, https://doi.org/10.3390/rs10030481 [14]


Resende Chagas, L. C., Arras, C., Batista, I. S., Denardini, C. M., Bertollotto, T. O., Moro, J.: Study of sporadic E layers based on GPS radio occultation measurements and digisonde data over the Brazilian region, Annales Geophysicae, 36, pp. 587—593, https://doi.org/10.5194/angeo-36-587-2018 [15]


Schuh, H., Anderson, J., Beyerle, G., Dick, G., Flechtner, F., Förste, C., Ge, M., Glaser, S., Heinkelmann, R., König, R., Männel, B., Michaelis, I., Quinteros, J., Ramatschi, M., Rauberg, J., Rother, M., Schmidt, T., Stolle, C., Wickert, J.: Big Data in Geodäsie, Seismologie und Geomagnetismus, System Erde, 8, 1, http://doi.org/10.2312/GFZ.syserde.08.01.5 [16]


Tsai, L.-C., Su, S.-Y., Liu, C.-H., Schuh, H., Wickert, J., Alizadeh, M.: Global morphology of ionospheric sporadic E layer from the FormoSat-3/COSMIC GPS radio occultation experiment, GPS Solutions, 22, http://doi.org/10.1007/s10291-018-0782-2 [17]


Xie, J., Bertino, L., Cardellach, E., Semmling, M., Wickert, J.: An OSSE evaluation of the GNSS-R altimetry data for the GEROS-ISS mission as a complement to the existing observational networks, Remote Sensing of Environment, 209, pp. 152—165, http://doi.org/10.1016/j.rse.2018.02.053 [18]


Zhou, F., Dong, D., Ge, M., Li, P., Wickert, J., Schuh, H.: Simultaneous estimation of GLONASS pseudorange inter-frequency biases in precise point positioning using undifferenced and uncombined observations, GPS Solutions, 22, http://doi.org/10.1007/s10291-017-0685-7 [19]


Zhou, F., Dong, D., Li, W., Jiang, X., Wickert, J., Schuh, H.: GAMP: An open-source software of multi-GNSS precise point positioning using undifferenced and uncombined observations, GPS Solutions,  22, http://doi.org/10.1007/s10291-018-0699-9 [20]

2017

Alshawaf, F., Balidakis, K., Dick, G., Heise, S., Wickert, J.: Estimating trends in atmospheric water vapor and temperature time series over Germany, Atmospheric Measurement Techniques, Vol. 10, p. 3117-3132, http://doi.org/10.5194/amt-10-3117-2017 [21]

Arras, C., Wickert, J.: Estimation of ionospheric sporadic E intensities from GPS radio occultation measurements, Journal of Atmospheric and Solar-Terrestrial Physics, http://doi.org/10.1016/j.jastp.2017.08.006 [22]

Gao, Z., Zhang, H., Ge, M., Niu, X., Shen, W., Wickert, J., Schuh, H.: Tightly coupled integration of multi-GNSS PPP and MEMS inertial measurement unit data, GPS Solutions, Vol. 21, Issue: 2, p. 377-391, http://doi.org/10.1007/s10291-016-0527-z [23]

Li, X., Li, X., Yuan, Y., Zhang, K., Zhan, X., Wickert, J.: Multi-GNSS phase delay estimation and PPP ambiguity resolution: GPS, BDS, GLONASS, Galileo, Journal of Geodesy, http://doi.org/10.1007/s00190-017-1081-3 [24]

Lu, C., Chen, X., Liu, G., Dick, G., Wickert, J., Jiang, X., Zheng, K., Schuh, H.: Real-Time Tropospheric Delays Retrieved from Multi-GNSS Observations and IGS Real-Time Product Streams,Remote Sensing, Vol. 9, 12, p. 1317, http://doi.org/10.3390/rs9121317 [25]

Lu, C., Li, X., Zus, F., Heinkelmann, R., Dick, G., Ge, M., Wickert, J., Schuh, H.: Improving BeiDou real-time precise point positioning with numerical weather models, Journal of Geodesy, 91, 9, p. 1019-1029, http://doi.org/10.1007/s00190-017-1005-2 [26]

Schuh, H., Wickert, J., Dick, G., Ge, M., Ramatschi, M., Li, X., Deng, Z., Alshawaf, F., Arras, C., Männel, B.: GNSS research at GFZ for monitoring the Earth system [GNSS-Arbeiten am GFZ zum Monitoring des Systems Erde]. - AVN Allgemeine Vermessungsnachrichten, 124, 6, p. 175-185.

Zhang, X., Wu, M., Liu, W., Li, X., Yu, S., Lu, C., Wickert, J.: Initial assessment of the COMPASS/BeiDou-3: new-generation navigation signals, Journal of Geodesy, 91, 10, p. 1225-1240, http://doi.org/10.1007/s00190-017-1020-3 [27]

Zhou, F., Li, X., Li, W., Chen, W., Dong, D., Wickert, J., Schuh, H.: The Impact of Estimating High-Resolution Tropospheric Gradients on Multi-GNSS Precise Positioning, Sensors, 17, 4, p. 756, http://doi.org/10.3390/s17040756 [28]

Zhu, Y., Yu, K., Zou, J., Wickert, J.: Sea Ice Detection Based on Differential Delay-Doppler Maps from UK TechDemoSat-1, Sensors, 17, 7, p. 1614, http://doi.org/10.3390/s17071614 [29]

Zus, F., Deng, Z., Heise, S., Wickert, J.: Ionospheric mapping functions based on electron density fields, GPS Solutions, 21, 3, p. 873-885, http://doi.org/10.1007/s10291-016-0574-5 [30]

Zus, F., Deng, Z., Wickert, J.: The impact of higher-order ionospheric effects on estimated tropospheric parameters in Precise Point Positioning, Radio Science, 52, 8, p. 963-971, http://doi.org/10.1002/2017RS006254 [31]

2016

Cardellach, E., Vey, S., Wickert, J.: Foreword to the Special Issue on GNSS Reflectometry, IEEE Journal of selected topics in applied earth observations and remote sensing, Vol. 9, Issue: 10, p. 4519-4524, http://doi.org/10.1109/JSTARS.2016.2607618 [32]

Liu, Y., Ge, M. R., Shi, C. Lou, Y. D., Wickert, J., Schuh, H.: Improving integer ambiguity resolution for GLONASS precise orbit determination,  Journal of Geodesy, Vol. 90, Issue: 8, p. 715-726, http://doi.org/10.1007/s00190-016-0904-y [33]

Liu, Y., Ge, M.,Shi, C., Lou, Y., Wickert, J., Schuh, H.: Improving GLONASS Precise Orbit Determination through Data Connection, Sensors Vol. 15, Issue: 12, p. 30104-30114, http://doi.org/10.3390/s151229790 [34]

Ning, T., Wang, J., Elgered, G., Dick, G.,  Wickert, J., Bradke, M., Sommer, M.: The uncertainty of the atmospheric integrated water vapour estimated from GNSS observations. - Atmospheric Measurement Techniques, 9, p. 79-92, http://doi.org/10.5194/amt-9-79-2016 [35]

Ning, T., Wickert, J., Deng, Z., Heise, S., Dick, G., Vey, S., Schöne, T.: Homogenized time series of the atmospheric water vapor content obtained from the GNSS reprocessed data. - Journal of Climate, 29, 7, p. 2443-2456, http://doi.org/10.1175/JCLI-D-15-0158.1 [36]

Ning, T., Wickert, J., Deng, Z., Heise, S., Dick, G., Vey, S., Schöne, T.: Homogenized time series of the atmospheric water vapor content obtained from the GNSS reprocessed data. - Journal of Climate, 29, 7, p. 2443-2456.  http://doi.org/10.1175/JCLI-D-15-0158.1 [37]

Saynisch, J., Semmling, M., Wickert, J., Thomas, M.: Potential of space-borne GNSS reflectometry to constrain simulations of the ocean circulation, Ocean Dynamics, Vol. 65, Issue: 11, p. 1441-1460, http://doi.org/10.1007/s10236-015-0886-y [38]

Semmling, M., Leister, V., Saynisch, J., Zus, F., Heise, S., Wickert, J.: A Phase-Altimetric Simulator: Studying the Sensitivity of Earth-Reflected GNSS Signals to Ocean Topography. - IEEE Transactions on Geoscience and Remote Sensing, 54, 11, p. 6791-6802.   http://doi.org/10.1109/TGRS.2016.2591065 [39]

Vey, S., Güntner, A., Wickert, J., Blume, T., Ramatschi, M.: Long-term soil moisture dynamics derived from GNSS interferometric reflectometry: a case study for Sutherland, South Africa. - GPS Solutions, 20, 4, p. 641-654. http://doi.org/10.1007/s10291-015-0474-0 [40]

Vey, S., Güntner, A., Wickert, J., Blume, T., Thoss, H., Ramatschi, M.: Monitoring Snow Depth by GNSS Reflectometry in Built-up Areas: A Case Study for Wettzell, Germany. - IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 9, 10, p. 4809-4816. http://doi.org/10.1109/JSTARS.2016.2516041 [41]

Wickert, J., Cardellach, E., Martin-Neira, M., Bandeiras, J., Bertino, L., Andersen, O. B., Camps, A., Catarino, N., Chapron, B., Fabra, F., et al.: GEROS-ISS: GNSS REflectometry, Radio Occultation, and Scatterometry Onboard the International Space Station, IEEE Journal of selected topics in applied earth observations and remote sensing, Vol. 9, Issue: 10, p. 4552-4581, http://doi.org/10.1109/JSTARS.2016.2614428 [42]

2015

Dai, X., Ge, M., Lou, Y., Shi, C., Wickert, J., Schuh, H. (2015): Estimating the yaw-attitude of BDS IGSO and MEO satellites. - Journal of Geodesy, 89, 10, p. 1005-1018, http://doi.org/10.1007/s00190-015-0829-x [43] 

Gao, Z., Zhang, H., Ge, M., Niu, X., Shen, W., Wickert, J., Schuh, H. (2015): Tightly Coupled Integration of Ionosphere-Constrained Precise Point Positioning and Inertial Navigation Systems. - Sensors, 15, p. 5783-5802, http://doi.org/10.3390/s150305783 [44]

Li, X., Ge, M., Dai, X., Ren, X., Fritsche, M., Wickert, J., Schuh, H. (2015): Accuracy and reliability of multi-GNSS real-time precise positioning: GPS, GLONASS, BeiDou, and Galileo. - Journal of Geodesy, 89, 6, p. 607-635, http://doi.org/10.1007/s00190-015-0802-8 [45]

Li, X., Dick, G., Lu, C., Ge, M., Nilsson, T., Ning, T., Wickert, J., Schuh, H. (2015): Multi-GNSS Meteorology: Real-Time Retrieving of Atmospheric Water Vapor From BeiDou, Galileo, GLONASS, and GPS Observations. - IEEE Transactions on Geoscience and Remote Sensing, 53, 12, p. 6385-6393, http://doi.org/10.1109/TGRS.2015.2438395 [46]

Li, X., Zhang, X., Ren, X., Fritsche, M., Wickert, J., Schuh, H. (2015): Precise positioning with current multi-constellation Global Navigation Satellite Systems: GPS, GLONASS, Galileo and BeiDou. - Scientific Reports, 5, http://doi.org/10.1038/srep08328 [47]

 Li, X., Zus, F., Lu, C., Ning, T., Dick, G., Ge, M., Wickert, J., Schuh, H. (2015): Retrieving high-resolution tropospheric gradients from multiconstellation GNSS observations. - Geophysical Research Letters, 42, 10, p. 4173-4181, http://doi.org/10.1002/2015GL063856 [48]

Li, X., Zus, F., Lu, C., Dick, G., Ning, T., Ge, M., Wickert, J., Schuh, H. (2015): Retrieving of atmospheric parameters from multi-GNSS in real time: Validation with water vapor radiometer and numerical weather model. - Journal of Geophysical Research, 120, 14, p. 7189-7204, http://doi.org/10.1002/2015JD023454 [49]

Liu, Y., Ge, M., Shi, C., Lou, Y., Wickert, J., Schuh, H. (2015): Improving GLONASS Precise Orbit Determination through Data Connection. - Sensors, 15, 12, p. 30104-30114, http://doi.org/10.3390/s151229790 [50]

Saynisch, J., Semmling, M., Wickert, J., Thomas, M. (2015): Potential of space-borne GNSS reflectometry to constrain simulations of the ocean circulation. - Ocean Dynamics, 65, 11, p. 1441-1460, http://doi.org/10.1007/s10236-015-0886-y [51]

Shangguan, M., Heise, S., Bender, M., Dick, G., Ramatschi, M., Wickert, J. (2015): Validation of GPS atmospheric water vapor with WVR data in satellite tracking mode. - Annales Geophysicae, 33, p. 55-61, http://doi.org/10.5194/angeo-33-55-2015 [52]

Soja, B., Nilsson, T., Karbon, M., Zus, F., Dick, G., Deng, Z., Wickert, J., Heinkelmann, R., Schuh, H. (2015): Tropospheric delay determination by Kalman filtering VLBI data. - Earth Planets and Space, 67, http://doi.org/10.1186/s40623-015-0293-0 [53]

Zus, F., Dick, G., Heise, S., Wickert, J. (2015): A forward operator and its adjoint for GPS slant total delays. - Radio Science, 50, 5, p. 393-405, http://doi.org/10.1002/2014RS005584 [54]

Zus, F., Dick, G., Dousa, J., Wickert, J. (2015): Systematic errors of mapping functions which are based on the VMF1 concept. - GPS Solutions, 19, 2, p. 277-286, http://doi.org/10.1007/s10291-014-0386-4 [55]

2014

Chen, Hiang, W., Ge, M., Wickert, J., Schuh, H. (2014): An enhanced strategy for GNSS data processing of massive networks. - Journal of Geodesy, 88, 9, p. 857-867, http://doi.org/10.1007/s00190-014-0727-7 [56]

Chen, H., Jiang, W., Ge, M., Wickert, J., Schuh, H. (2014): Efficient High-Rate Satellite Clock Estimation for PPP Ambiguity Resolution Using Carrier-Ranges. - Sensors, 14, 12, p. 22300-22312, http://doi.org/10.3390/s141222300 [57]


de la Torre, A., Alexander, P., Llamedo, P., Hierro, R., Nava, B., Radicella, S., Schmidt, T., Wickert, J. (2014): Wave activity at ionospheric heights above the Andes Mountains detected from FORMOSAT-3/COSMIC GPS radio occultation data. - Journal of Geophysical Research, 119, 3, p. 2046-2051, http://doi.org/10.1002/2013JA018870 [58]


Li, X., Ge, M., Lu, C., Zhang, Y., Wang, R., Wickert, J., Schuh, H. (2014): High-Rate GPS Seismology Using Real-Time Precise Point Positioning With Ambiguity Resolution. - IEEE Transactions on Geoscience and Remote Sensing, 52, 10, p. 6165-6180, http://doi.org/10.1109/TGRS.2013.2295373 [59]


Li, X., Guo, B., Lu, C., Ge, M., Wickert, J., Schuh, H. (2014): Real-time GNSS seismology using a single receiver. - Geophysical Journal International, 198, 1, p. 72-89, https://doi.org/10.1093/gji/ggu113 [60]


Li, X., Dick, G., Ge, M., Heise, S., Wickert, J., Bender, M. (2014): Real-time GPS sensing of atmospheric water vapor: precise point positioning with orbit, clock and phase delay corrections. - Geophysical Research Letters, 41, 10, p. 3615-3621, http://doi.org/10.1002/2013GL058721 [61]


Li, X., Ge, M., Dousa, J., Wickert, J. (2014): Real-time precise point positioning regional augmentation for large GPS reference networks. - GPS Solutions, 18, 1, p. 61-71, http://doi.org/10.1007/s10291-013-0310-3 [62]


Schuh, H., Itzerott, S., Dransch, D., Flechtner, F., Förste, C., Kaufmann, H., Thomas, M., Wickert, J. (2014): Geodäsie und Fernerkundung am Helmholtz-Zentrum Potsdam – Deutsches GeoForschungsZentrum (GFZ). - ZfV: Zeitschrift für Geodäsie, Geoinformation und Landmanagement, 139, 5, p. 302-315, http://doi.org/10.12902/zfv-0040-2014 [63]


Semmling, M., Beckheinrich, J., Wickert, J., Beyerle, G., Schön, S., Fabra, F., Pflug, H., He, K., Schwabe, J., Scheinert, M. (2014): Sea surface topography retrieved from GNSS reflectometry phase data of the GEOHALO flight mission. - Geophysical Research Letters, 41, 3, p. 954-960, http://doi.org/10.1002/2013GL058725 [64]


Zus, F., Grunwaldt, L., Heise, S., Michalak, G., Schmidt, T., Wickert, J. (2014): Atmosphere sounding by GPS radio occultation: First results from TanDEM-X and comparison with TerraSAR-X. - Advances in Space Research, 53, 2, p. 272-279, http://doi.org/10.1016/j.asr.2013.11.013 [65]


Zus, F., Dick, G., Dousa, J., Heise, S., Wickert, J. (2014): The rapid and precise computation of GPS slant total delays and mapping factors utilizing a numerical weather model. - Radio Science, 49, 3, p. 207-216, http://doi.org/10.1002/2013RS005280 [66]

2013

Deng, Z., Schön, S., Zhang, H., Bender, M., Wickert, J.: Medium-scale traveling ionospheric disturbances (MSTID) modeling using a dense German GPS network. - Advances in Space Research, 51, 6, 1001-1007, http://doi.org/10.1016/j.asr.2012.07.022 [67]

Faber, A., Llamedo, P., Schmidt, T., de la Torre, A., Wickert, J. (2013): On the determination of gravity wave momentum flux from GPS radio occultation data. - Atmospheric Measurement Techniques, 6, 11, 3169-3180, http://doi.org/10.5194/amt-6-3169-2013 [68]

He, L., Ge, M., Wang, J., Wickert, J., Schuh, H.: Experimental Study on the Precise Orbit Determination of the BeiDou Navigation Satellite System. - Sensors, 13, 3, 2911-2928, http://doi.org/10.3390/s130302911 [69]

Jacobi, C., Arras, C., Wickert, J.: Enhanced sporadic E occurrence rates during the Geminid meteor showers 2006–2010. - Advances in Radio Science, 11, 313-318, http://doi.org/10.5194/ars-11-313-2013 [70]

Khodayar, S., Kalthoff, N., Wickert, J., Kottmeier, C., Dorninger, M.: High-resolution representation of the mechanisms responsible for the initiation of isolated thunderstorms over flat and complex terrains: analysis of CSIP and COPS cases. - Meteorology and Atmospheric Physics, 119, 3-4, 109-124, http://doi.org/10.1007/s00703-012-0232-6 [71]

Li, X., Ge, M., Zhang, H., Wickert, J.: A method for improving uncalibrated phase delay estimation and ambiguity-fixing in real-time precise point positioning. - Journal of Geology, 87, 5, 405-416, http://doi.org/10.1007/s00190-013-0611-x [72]

Li, X., Ge, M., Zhang, H., Wang, R., Guo, B., Klotz, J., Wickert, J., Schuh, H.: High-Rate coseismic displacements from tightly integrated processing of raw GPS and accelerometer data. - Geophysical Journal International, 195, 1, 612-624, http://doi.org/10.1093/gji/ggt249 [73]

Li, X., Ge, M., Zhang, Y., Wang, R., Xu, P., Wickert, J., Schuh, H.: New approach for earthquake/tsunami monitoring using dense GPS networks. - Scientific Reports, 3, 2682, http://doi.org/10.1038/srep02682 [74]

Li, X., Ge, M., Zhang, X., Zhang, Y., Guo, B., Wang, R., Klotz, J., Wickert, J.: Real-time high-rate co-seismic displacement from ambiguity-fixed precise point positioning: Application to earthquake early warning. - Geophysical Research Letters, 40, 2, 295-300, http://doi.org/10.1002/grl.50138 [75]

Li, X., Ge, M., Guo, B., Wickert, J., Schuh, H.: Temporal point positioning approach for real-time GNSS seismology using a single receiver. - Geophysical Research Letters, 40, 21, 5677-5682, http://doi.org/10.1002/2013GL057818 [76]

Li, X., Ge, M., Zhang, H., Nischan, T., Wickert, J.: The GFZ Real-time GNSS Precise Positioning Service System and its Adaption for COMPASS. - Advances in Space Research, 51, 6, 1008-1018, http://doi.org/10.1016/j.asr.2012.06.025 [77]

Pavelyev, A., Zhang, K., Liou, Y.-A., Pavelyev, A., Wang, C.-S., Wickert, J., Schmidt, T., Kuleshov, Y.: Principle of locality and analysis of radio occultation data. - IEEE Transactions on Geoscience and Remote Sensing, 51, 6, 3240-3249, http://doi.org/10.1109/TGRS.2012.2225629 [78]

Semmling, M., Wickert, J., Schön, S., Stosius, R., Markgraf, M., Gerber, T., Ge, M., Beyerle, G.: A zeppelin experiment to study airborne altimetry using specular Global Navigation Satellite System reflections. - Radio Science, 48, 4, 427-440, http://doi.org/10.1002/rds.20049 [79]

Shangguan, M., Bender, M., Ramatschi, M., Dick, G., Wickert, J., Raabe, A., Galas, R. (2013): GPS Tomography: Validation of Reconstructed 3D Humidity fields with Radiosonde Profiles. - Annals of Geophysics, 31, 9, 1491-1505, http://doi.org/10.5194/angeo-31-1491-2013 [80]

Sharifi, M. A., Sam Khaniani, A., Masoumi, S., Schmidt, T., Wickert, J.: Least-squares harmonic estimation of the tropopause parameters using GPS radio occultation measurements. - Meteorology and Atmospheric Physics, 120, 1-2, 73-82, http://doi.org/10.1007/s00703-013-0239-7 [81]

Sharifi, M. A., Sam-Khaniani, A., Joghataei, M., Schmidt, T., Masoumi, S., Wickert, J.: Tropopause analysis over the Iranian region using GPS radio occultation data. - Advances in Space Research, 52, 9, 1700-1707, http://doi.org/10.1016/j.asr.2013.07.038 [82]

Steiner, A. K., Hunt, D., Ho, S.-P., Kirchengast, G., Mannucci, A. J., Scherllin-Pirscher, B., Gleisner, H., v. Engeln, A., Schmidt, T., Ao, C., Leroy, S. S., Kursinski, E. R., Foelsche, U., Gorbunov, M., Heise, S., Kuo, Y.-H., Lauritsen, K. B., Marquardt, C., Rocken, C., Schreiner, W., Sokolovskiy, S., Syndergaard, S., Wickert, J.: Quantification of structural uncertainty in climate data records from GPS radio occultation. - Atmospheric Chemistry and Physics, 13, 3, 1469-1484, http://doi.org/10.5194/acp-13-1469-2013 [83]

2012

De la Torre, A., Alexander, P., Hierro, R., Llamedo, P., Rolla, A., Schmidt, T., Wickert, J.: Large amplitude gravity waves above the Southern Andes, the Drake Passage and the Antarctic Peninsula. - Journal of Geophysical Research, 117, D2, 15 PP, http://doi.org/10.1029/2011JD016377 [84]

Ge, M., Chen, J., Dousa, J., Gendt, G., Wickert, J.: A computationally efficient approach for estimating high-rate satellite clock corrections in realtime. - GPS Solutions, 16, 1, 9-17, http://doi.org/10.1007/s10291-011-0206-z [85]

Ho, S., Hunt, D., Steiner, A., Mannucci, A. J., Kirchengast, G., Gleisner, H., Heise, S., v. Engeln, A., Marquardt, C., Sokolovskiy, S., Schreiner, W., Ao, C., Wickert, J., Syndergaad, S., Lauritsen, K., Leroy, S., Kursinski, R., Kuo, Y.-H., Scherllin-Pirscher, B., Foelsche, U., Schmidt, T., Gorbunov, M.: Reproducibility of GPS radio occultation data for climate monitoring: Profile-to-profile inter-comparison of CHAMP climate records 2002 to 2008 from six data centers. - Journal of Geophysical Research, 117, D18, http://doi.org/10.1029/2012JD017665 [86]

Nafisi, V., Urquhart, L., Santos, M. C., Nievinski, F. G., Böhm, J., Wijaya, D. D., Schuh, H., Ardalan, A. A., Hobiger, T., Ichikawa, R., Zus, F., Wickert, J., Gegout, P.: Comparsion of ray-tracing packages for tropsphere delays. - IEEE Transactions on Geoscience and Remote Sensing, 50, 2, 469-481, http://doi.org/10.1109/TGRS.2011.2160952 [87]

Pavelyev, A. G., Liou, Y. A., Zhang, K., Wang, C. S., Wickert, J., Schmidt, T., Gubenko, V. N., Pavelyev, A. A., Kuleshov, Y.: Identification and localization of layers in the ionosphere using the eikonal and amplitude of radio occultation signals. - Atmospheric Measurement Techniques, 5, 1, 1-16, http://doi.org/10.5194/amt-5-1-2012 [88]

Semmling, M., Schmidt, T., Wickert, J., Schön, S., Fabra, F., Cardellach, E., Rius, A.: On the Retrieval of the Specular Reflection in GNSS Carrier Observations for Ocean Altimetry. - Radio Science, 47, 6, RS2018, http://doi.org/10.1029/2012RS005007 [89]

Yue, X., Schreiner, W. S., Kuo, Y.-H., Hunt, D. C., Wang, W., Solomon, S. C., Burns, A. G., Bilitza, D., Liu, J. Y., Wan, W., Wickert, J.: Global 3-D ionospheric electron density reanalysis based on multisource data assimilation. - Journal of Geophysical Research, 117, A09325, http://doi.org/10.1029/2012JA017968 [90] 

Zus, F., Bender, M., Deng, Z., Dick, G., Heise, S., Shangguan, M., Wickert, J.: A methodology to compute GPS slant total delays in a numerical weather model. - Radio Science, 47, 2, RS2018, http://doi.org/10.1029/2011RS004853 [91]

2011

Alexander, P., de la Torre, A., Llamedo, P., Hierro, R., Schmidt, T., Faber [Haser], A., Wickert, J.: A method to improve the determination of wave perturbations close to the tropopause by using a digital filter. - Atmospheric Measurement Techniques, 4, 9, 1777-1784, http://doi.org/10.5194/amt-4-1777-2011 [92]

Bender, M., Dick, G., Ge, M., Deng, Z., Wickert, J., Kahle, H.-G., Raabe, A., Tetzlaff, G.: Development of a GNSS water vapour tomography system using algebraic reconstruction techniques. - Advances in Space Research, 47, 10, 1704-1720, http://doi.org/10.1016/j.asr.2010.05.034 [93]

Bender, M., Stosius, R., Zus, F., Dick, G., Wickert, J., Raabe, A.: GNSS water vapour tomography – Expected improvements by combining GPS, GLONASS and Galileo observations. - Advances in Space Research, 47, 5, 886-897, http://doi.org/10.1016/j.asr.2010.09.011 [94]

Beyerle, G., Grunwaldt, L., Heise, S., Köhler, W., König, R., Michalak, G., Rothacher, M., Schmidt, T., Wickert, J., Tapley, B. D., Giesinger, B.: First results from the GPS atmosphere sounding experiment TOR aboard the TerraSAR-X satellite. - Atmospheric Chemistry and Physics, 11, 13, 6687-6699, http://doi.org/10.5194/acp-11-6687-2011 [95]

Corsmeier, U., Kalthoff, N., Barthlott, C., Aoshima, F., Behrendt, A., Di Girolamo, P., Dorninger, M., Handwerker, J., Kottmeier, C., Mahlke, H., Mobbs, S. D., Norton, E. G., Wickert, J., Wulfmeyer, V.: Processes driving deep convection over complex terrain: A multi-scale analysis of observations from COPS-IOP 9c. - Quarterly Journal of the Royal Meteorological Society, 137, S1, 137-155, http://doi.org/10.1002/qj.754 [96]

Deng, Z., Bender, M., Zus, F., Ge, M., Dick, G., Ramatschi, M., Wickert, J., Löhnert, U., Schön, S.: Validation of tropospheric slant path delays derived from single and dual frequency GPS receivers. - Radio Science, 46, RS6007, http://doi.org/10.1029/2011RS004687 [97]

Pavelyev, A. G., Zhang, K., Wang, C. S., Kuleshov, Y., Liou, Y. A., Wickert, J.: Identification of Inclined Ionospheric Layers Using Analysis of GPS Occultation Data. - IEEE Transactions on Geoscience and Remote Sensing, 49, 6, 2374-2384, http://doi.org/10.1109/TGRS.2010.2091138 [98]

Semmling, A. M., Beyerle, G., Stosius, R., Dick, G., Wickert, J., Fabra, F., Cardellach, E., Ribó, S., Rius, A., Helm, A., Yudanov, S. B., d'Addio, S.: Detection of Arctic Ocean tides using interferometric GNSS-R signals. - Geophysical Research Letters, 38, L04103, http://doi.org/10.1029/2010GL046005 [99]

Stosius, R., Beyerle, G., Höchner, A., Wickert, J., Lauterjung, J.: The impact on tsunami detection from space using GNSS-reflectometry when combining GPS with GLONASS and Galileo on GNSS-Reflectometry tsunami detection from space. - Advances in Space Research, 47, 5, 843-853, http://doi.org/10.1016/j.asr.2010.09.022 [100]

Zus, F., Wickert, J., Bauer, H. S., Schwitalla, T., Wulfmeyer, V.: Experiments of GPS slant path data assimilation with an advanced MM5 4DVAR system. - Meteorologische Zeitschrift, 20, 2, 173-184, http://doi.org/10.1127/0941-2948/2011/0232 [101]

Zus, F., Beyerle, G., Heise, S., Schmidt, T., Wickert, J., Marquardt, C.: Validation of refractivity profiles derived from GRAS raw-sampling data. - Atmospheric Measurement Techniques, 4, 7, 1541-1550, http://doi.org/10.5194/amt-4-1541-2011 [102]

2010

Alexander, P., Luna, D., de la Torre, A., Llamedo, P., Schmidt, T., Wickert, J.: A comparative and numerical study of effects of gravity waves in small miss-distance and miss-time GPS radio occultation temperature profiles. - Advances in Space Research, 45, 10, 1231-1234, http://doi.org/10.1016/j.asr.2009.12.015 [103]

De la Torre, A., Llamedo, P., Alexander, P., Schmidt, T., Wickert, J.: Estimated Errors in a Global Gravity Wave Climatology from GPS Radio Occultation Temperature Profiles. - Advances in Space Research, 46, 2, 174-179, http://doi.org/10.1016/j.asr.2010.02.033 [104]

Khandu, J., Awange, L., Wickert, J., Schmidt, T., Sharifi, M. A., Heck, B., Fleming, K.: GNSS remote sensing of the Australian tropopause. - Climatic Change, 105, 3-4, 597-618, http://doi.org/10.1007/s10584-010-9894-6 [105]

Khodayar, S., Kalthoff, N., Wickert, J., Corsmeier, U., Morcrette, C., Kottmeier, C.: The increase of spatial data resolution for the detection of the initiation of convection. A case study from CSIP. - Meteorologische Zeitschrift, 19, 2, 179-198, http://doi.org/10.1127/0941-2948/2010/0439 [106]

Pavelyev, A. G., Liou, Y. A., Wickert, J., Zhang, K., Wang, C. S., Kuleshov, Y.: Analytical model of electromagnetic waves propagation and location of inclined plasma layers using occultation data. - Progress in Electromagnetics Research (PIER), 106, 177-202, http://doi.org/10.2528/PIER10042707 [107]

Pavelyev, A. G., Liou, Y. A., Wickert, J., Schmidt, T., Pavelyev, A. A.: Phase acceleration: a new important parameter in GPS occultation technology. - GPS Solutions, 14, 1, 3-11, http://doi.org/10.1007/s10291-009-0128-1 [108]

Schmidt, T., Cammas, J.-P., Smit, H. G. J., Heise, S., Wickert, J., Faber [Haser], A.: Observational characteristics of the tropopause inversion layer derived from CHAMP/GRACE radio occultations and MOZAIC aircraft data. - Journal of Geophysical Research, 115, D24304, http://doi.org/10.1029/2010JD014284 [109]

Schmidt, T., Wickert, J., Faber [Haser], A.: Variability of the upper troposphere and lower stratosphere observed with GPS radio occultation bending angles and temperatures. - Advances in Space Research, 46, 2, 150-161, http://doi.org/10.1016/j.asr.2010.01.021 [110]

Stosius, R., Beyerle, G., Helm, A., Höchner, A., Wickert, J.: Simulation of space-borne tsunami detection using GNSS-Reflectometry applied to tsunamis in the Indian Ocean. - Natural Hazards and Earth System Sciences (NHESS), 10, 6, 1359-1372, http://doi.org/10.5194/nhess-10-1359-2010 [111]

Yakovlev, O. I., Wickert, J., Pavelyev, A. G., Cherkunova, G. P., Anufriev, V. A.: Results of radio occultation measurement of polar ionosphere at satellite-to-satellite paths during strong flare solar activity. - Acta Astronautica, 67, 3-4, 315-323, http://doi.org/10.1016/j.actaastro.2010.02.017 [112]

2009

Arras, C., Jacobi, C., Wickert, J.: Semidiurnal tidal signature in sporadic E occurrence rates derived from GPS radio occultation measurements at higher midlatitudes. - Annales Geophysicae, 27, 6, 2555-2563, http://doi.org/10.5194/angeo-27-2555-2009 [113]

Bender, M., Dick, G., Wickert, J., Ramatschi, M., Ge, M., Gendt, G., Rothacher, M., Raabe, A., Tetzlaff, G.: Estimates of the information provided by GPS slant data observed in Germany regarding tomographic applications. - Journal of Geophysical Research, 114, D06303, http://doi.org/10.1029/2008JD011008 [114]

Beyerle, G., Ramatschi, M., Galas, R., Schmidt, T., Wickert, J., Rothacher, M.: A data archive of GPS navigation messages. - GPS Solutions, 13, 1, 35-41, http://doi.org/10.1007/s10291-008-0095-y [115]

Deng, Z., Bender, M., Dick, G., Ge, M., Wickert, J., Ramatschi, M., Zou, X.: Retrieving tropospheric delays from GPS networks densified with single frequency receivers. - Geophysical Research Letters, 36, L19802, http://doi.org/10.1029/2009GL040018 [116]

Foelsche, U., Pirscher, B., Borsche, M., Kirchengast, G., Wickert, J.: Assessing the climate monitoring utility of radio occultation data: From CHAMP to FORMOSAT-3/COSMIC. - Terrestrial Atmospheric and Oceanic Sciences, 20, 1, 155-170, http://doi.org/10.3319/TAO.2008.01.14.01(F3C) [117]

Heise, S., Dick, G., Gendt, G., Schmidt, T., Wickert, J.: Integrated water vapor from IGS ground-based GPS observations: Initial results from a global 5-minute data set. - Annales Geophysicae, 27, 7, 2851-2859., http://doi.org/10.5194/angeo-27-2851-2009 [118]

Ho, S.-P., Kirchengast, G., Leroy, S., Wickert, J., Mannucci, A. J., Stiner, A. K., Hunt, D., Schreiner, W., Sokolovskiy, S., Ao, C. O., Borsche, M., von Engeln, A., Foelsche, U., Heise, S., Iijima, B., Kuo, Y.-H., Kursinski, R., Pirscher, B., Ringer, M., Rocken, C., Schmidt, T.: Estimating the Uncertainty of using GPS Radio Occultation Data for Climate Monitoring: Inter-comparison of CHAMP Refractivity Climate Records 2002-2006 from Different Data Centers. - Journal of Geophysical Research, 114, D23107, http://doi.org/10.1029/2009JD011969 [119]

Huang, C. Y., Cheng, C. Z., Lin, P. H., Fong, C. J., Wickert, J., Hsiao, C. C.: Radio occultation retrieval of atmospheric profiles from the FORMOSAT-3/COSMIC mission: early results. - Terrestrial Atmospheric and Oceanic Sciences, 20, 1, 21-34, http://doi.org/10.3319/TAO.2008.04.24.01(F3C) [120]

Llamedo, P., de la Torre, A., Alexander, P., Luna, D., Schmidt, T., Wickert, J.: A gravity wave analysis near to the Andes Range from GPS radio occultation data and mesoscale numerical simulations: Two case studies. - Advances in Space Research, 44, 4, 494-500, http://doi.org/10.1016/j.asr.2009.04.023 [121]

Pavelyev, A., Liou, Y. A., Wickert, J., Gavrik, A. L., Lee, C. C.: Eikonal acceleration technique for studying of the Earth and planetaryatmospheres by radio occultation method. - Geophysical Research Letters, 36, L21807, http://doi.org/10.1029/2009GL040979 [122]

Wickert, J., Michalak, G., Schmidt, T., Beyerle, G., Cheng, C. Z., Healy, S. B., Heise, S., Huang, C. Y., Jakowski, N., Köhler, W., Mayer, C., Offiler, D., Ozawa, E., Pavelyev, A. G., Rothacher, M., Tapley, B., Arras, C.: GPS radio occultation: results from CHAMP, GRACE and FORMOSAT-3/COSMIC. - Terrestrial Atmospheric and Oceanic Sciences, 20, 1, 35-50, http://doi.org/10.3319/TAO.2007.12.26.01(F3C) [123]

Yakovlev, O. I., Wickert, J., Pavelyev, A. G., Matyugova, S. S., Anufrieva, V. A.: Sporadic structures in equatorial ionosphere as revealed from GPS occultation data. - Acta Astronautica, 63, 11-12, 1350-1359, http://doi.org/10.1016/j.actaastro.2008.05.023 [124]

2008

Arras, C., Wickert, J., Beyerle, G.: A global climatology of ionospheric irregularities derived from GPS radio occultation - Geophysical Research Letters, 35, 14, http://doi.org/10.1029/2008GL034158 [125]

Schmidt, T., Wickert, J., Heise, S.: Comparison of ECMWF analyses with GPS radio occultations from CHAMP -  Annales Geophysicae, 26, 11, 3225-3234, http://doi.org/10.5194/angeo-26-3225-2008 [126]

Heise, S., Wickert, J.; Beyerle, G.: Comparison of Water Vapor and Temperature Results From GPS Radio Occultation Aboard CHAMP With MOZAIC Aircraft Measurements - IEEE Transactions on Geoscience and Remote Sensing, 46, 11, 3406-3411, http://doi.org/10.1109/TGRS.2008.920268 [127]

Schmidt, T., de la Torre, A., Wickert, J.: Global gravity wave activity in the tropopause region from CHAMP radio occultation data - Geophysical Research Letters, 35, 16,  http://doi.org/10.1029/2008GL034986 [128]

Schmidt, T., Wickert, J., Beyerle, G.: Global tropopause height trends estimated from GPS radio occultation data - IEEE Transactions on Geoscience and Remote Sensing, 35, 11, http://doi.org/10.1029/2008GL034012 [129]

Pavelyev, A. G., Wickert, J., Liou, Y.: Localization of plasma layers in the ionosphere based on observing variations in the phase  and amplitude of radiowaves along the satellite-to-satellite path - Radiophysics and Quantum Electronics, 51, 1, 1-8, http://doi.org/10.1007/s11141-008-9002-1 [130]

Pavelyev, A. G., Liou, Y., Wickert, J.: Location of layered structures in the ionosphere and atmosphere by use of GPS occultation data - Advances in Space Research, 42, 1, 224-228, http://doi.org/10.1016/j.asr.2008.02.006 [131]

Foelsche, U., Borsche, M., Steiner, A. K.: Observing upper troposphere-lower stratosphere climate with radio occultation data from the CHAMP satellite - Climate Dynamics, 31, 1, 49-65, http://doi.org/10.1007/s00382-007-0337-7 [132]

Yakovlev, O. I., Anufriev, V. A., Wickert, J.: Potentialities of radio-occultation monitoring of the lower ionosphere on satellite-to-satellite paths - Journal of Communications Technology and Electronics, 53, 2, 155-162, http://doi.org/10.1134/S1064226908020046 [133]

Yakovlev, O. I., Wickert, J., Pavelyev, A. G.: Sporadic structures in equatorial ionosphere as revealed from GPS occultation data - Acta Astronautica, 63, 11-12, 1350-1359, http://doi.org/10.1016/j.actaastro.2008.05.023 [134]

Wrasse, C. M., Fechine, J., Takahashi, H.: Temperature comparison between CHAMP radio occultation and TIMED/SABER measurements in the lower stratosphere - Advances in Space Research, 41, 9, 1422-1427, http://doi.org/10.1016/j.asr.2007.06.073 [135]

Awange, J. L., Sharifi, M. A., Ogonda, G.: The falling Lake Victoria water level: GRACE, TRIMM and CHAMP satellite analysis of the lake basin - Water Resources Management, 22, 7, 775-796, http://doi.org/10.1007/s11269-007-9191-y [136]

Bender, M., Dick, G., Wickert, J.: Validation of GPS slant delays using water vapour radiometers and weather models - Meteorologische Zeitschrift, 17, 6, 807-812, http://doi.org/10.1127/0941-2948/2008/0341 [137]

 

 

2007

Nedoluha, G. E., Alfred, J., Benson, C. M.: A comparison of radiosonde and GPS radio occultation measurements with meteorological temperature analyses in the Antarctic vortex, 1998-2004 - Journal of Geophysical Research-Atmospheres, 12, D16, http://doi.org/10.1029/2007Jd008928 [138]

Healy, S. B., Wickert, J., Michalak, G.: Combined forecast impact of GRACE-A and CHAMP GPS radio occultation bending angle profiles - Atmospheric Science Letters, 8, 2, 43-50, http://doi.org/10.1002/asl.149 [139]

von Engeln, A., Teixeira, J., Wickert, J.: "Monitoring the atmospheric boundary layer by GPS radio occultation signals recorded in the open-loop mode" by S. Sokolovskiy et al. - Geophysical Research Letters, 34, 2,  http://doi.org/10.1029/2006GL027675 [140]

Pavelyev, A. G., Liou, Y. A., Wickert, J.: Effects of the ionosphere and solar activity on radio occultation signals: Application to CHAllenging Minisatellite Payload satellite observations - Journal of Geophysical Research-Space Physics, 112, A6,  http://doi.org/10.1029/2006JA011625 [141]

Alfred, J., Fromm, M., Bevilacqua, R.: Observations and analysis of polar stratospheric clouds detected by POAM III and SAGE III during the SOLVE II/VINTERSOL campaign in the 2002/2003 Northern Hemisphere winter - Atmospheric Chemistry and Physics-Space Physics, 7, 9, 2151-2163, http://doi.org/10.5194/acp-7-2151-2007 [142]

Froehlich, K., Schmidt, T., Ern, M.: The global distribution of gravity wave energy in the lower stratosphere derived from GPS data and gravity wave modelling: Attempt and challenges - Journal of Atmospheric and Solar-Terrestrial Physics, 69, 17-18, 2238-2248, http://doi.org/10.1016/j.jastp.2007.07.005 [143]

2006

Wu, X.C., Hu, X., Zhang, X.X.: A calibrated TEC method for inversion of ionospheric GPS occultation data - Chinese Journal of Geophysics-Chinese Edition, 49, 2, 328-334, http://doi.org/10.1002/cjg2.836 [144]

Schmidt, T, Beyerle, G, Heise, S: A climatology of multiple tropopauses derived from GPS radio occultations with CHAMP and SAC-C - Geophysical Research Letters, 33, 4, http://doi.org/10.1029/2005GL024600 [145]

de la Torre, A., Schmidt, T., Wickert, J.: A global analysis of wave potential energy in the lower stratosphere derived from 5 years of GPS radio occultation data with CHAMP - Geophysical Research Letters, 33, 24, http://doi.org/10.1029/2006GL027696 [146]

Liou, Y.A., Pavelyev, A.G., Wickert, J.: Application of GPS radio occultation method for observation of the internal waves in the atmosphere - Journal of Geophysical Research-Atmospheres, 111, D6, http://doi.org/10.1029/2005JD005823 [147]

Heise, S., Wickert, J., Beyerle, G.: Global monitoring of tropospheric water vapor with GPS radio occultation aboard CHAMP - Atmospheric Remote Sensing: Earth's Surface, Troposphere, Stratosphere and Mesosphere - I, 37, 12, 2222-2227, http://doi.org/10.1016/j.asr.2005.06.066 [148]

de la Torre, A., Alexander, P., Llamedo, P.: Gravity waves above the Andes detected from GPS radio occultation temperature profiles: Jet mechanism - Geophysical Research Letters, 33, 24, http://doi.org/10.1029/2006GL027343 [149]

Beyerle, G., Schmidt, T., Wickert, J.: Observations and simulations of receiver-induced refractivity biases in GPS radio occultation - Journal of Geophysical Research-Atmospheres, 111, D12, http://doi.org/10.1029/2005JD006673 [150]

2005

Liou, Y.A., Pavelyev, A.G., Wickert, J.: Analysis of atmospheric and ionospheric structures using the GPS/MET and CHAMP radio occultation database: a methodological review - Gps Solutions, 9, 2, 122-143, http://doi.org/10.1007/s10291-005-0141-y [151]

Gobiet, A., Foelsche, U., Steiner, A.K.: Climatological validation of stratospheric temperatures in ECMWF operational analyses with CHAMP radio occultation data - Geophysical Research Letters, 32, 12, http://doi.org/10.1029/2005GL022617 [152]

Pavelyev, A.G., Wickert, J., Liou, Y.A.: Different mechanisms of the ionospheric influence on GPS occultation signals - Gps Solutions, 9, 2, 96-104, http://doi.org/10.1007/s10291-005-0138-6 [153]

Pavelyev, A.G., Wickert, J., Schmidt, T.: Effect of solar activity in late October 2003 on radio occultation signals from the CHAMP German satellite - Geomagnetism and Aeronomy, 45, 1, 134-139, http://doi.org/10.1029/2006JA011625 [154]

Wickert, J., Beyerle, G., Konig, R.: GPS radio occultation with CHAMP and GRACE: A first look at a new and promising satellite configuration for global atmospheric sounding - Annales Geophysicae, 23, 3, 653-658, http://doi.org/10.5194/angeo-23-653-2005 [155]

Schmidt, T., Heise, S., Wickert, J.: GPS radio occultation with CHAMP and SAC-C: global monitoring of thermal tropopause parameters - Atmospheric Chemistry and Physics, 5, 1473-1488, http://doi.org/10.5194/acp-5-1473-2005 [156]

Beyerle, G., Schmidt, T., Michalak, G.: GPS radio occultation with GRACE: Atmospheric profiling utilizing the zero difference technique - Geophysical Research Letters, 32, 13, http://doi.org/10.1029/2005GL023109 [157]

Liou, Y.A., Pavelyev, A.G., Wickert, J.: Observation of the gravity waves from GPS/MET radio occultation data - Journal of Atmospheric and Solar - Terrestrial Physics, 67, 13, 219-228, http://doi.org/10.1016/j.jastp.2004.08.001 [158]

von Engeln, A., Teixeira, J., Wickert, J.: Using CHAMP radio occultation data to determine the top altitude of the Planetary Boundary Layer - Geophysical Research Letters, 32, 6, http://doi.org/10.1029/2004GL022168 [159]

Wang, D.Y., von Clarmann, T., Fischer, H.: Validation of stratospheric temperatures measured by michelson interferometer for passive atmospheric sounding (MIPAS) on envisat - Journal of Geophysical Research-Atmospheres, 110, D8, http://doi.org/10.1029/2004JD00534 [160]

2004

de la Torre, A., Tsuda, T., Hajj, G.A.: A global distribution of the stratospheric gravity wave activity from GPS occultation profiles with SAC-C and CHAMP - Journal of the Meteorological Society of Japan, 82, 1B, 407-417, http://doi.org/10.2151/jmsj.2004.407 [161]

Wickert, J., Pavelyev, A.G., Liou, Y.A.: Amplitude variations in GPS signals as a possible indicator of ionospheric structures - Geophysical Research Letters, 31, 24, http://doi.org/10.1029/2004GL020607 [162]

Awange, J.L., Fukuda, Y., Takemoto, S.: Analytic solution of GPS atmospheric sounding refraction angles - Earth Planets and Space, 56, 6, 573-587, http://doi.org/10.1186/BF03352518 [163]

Beyerle, G., Wickert, J., Schmidt, T.: Atmospheric sounding by global navigation satellite system radio occultation: An analysis of the negative refractivity bias using CHAMP observations - Journal of Geophysical Research-Atmospheres, 109, D1, http://doi.org/10.1029/2003JD003922 [164]

Wickert, J., Galas, R., Schmidt, T.: Atmospheric sounding with CHAMP: GPS ground station data for occultation processing - Physics and Chemistry of the Earth, 29, 2-3, 267-275, http://doi.org/10.1016/j.pce.2004.01.015 [165]

Wang, D.Y., Stiller, G.P., von Clarmann, T.: Cross-validation of MIPAS/ENVISAT and GPS-RO/CHAMP temperature profiles - Journal of Geophysical Research-Atmospheres, 109, D19, http://doi.org/10.1029/2004JD004963 [166]

Pavelyev, A.G., Liou, Y.A., Wickert, J.: Diffractive vector and scalar integrals for bistatic radio holographic remote sensing - Journal of Geophysical Research-Atmospheres, 39, 4, http://doi.org/10.1029/2003RS002935 [167]

Tsai, H.F., Tsuda, T., Hajj, G.A.: Equatorial Kelvin waves observed with GPS occultation measurements (CHAMP and SAC-C) - Journal of Geophysical Research-Atmospheres, 82, 1B, 397-406, http://doi.org/10.2151/jmsj.2004.397 [168]

Schmidt, T., Wickert, J., Marquardt, C.: GPS radio occultation with CHAMP: an innovative remote sensing method of the atmosphere - Climate Change Processes in the Stratosphere, Earth-Atmosphere-Ocean Systems, and Oceanographic Processes From Satellite Data, 33, 7, 1036-1040, doi.org/10.1016/S0273-1177(03)00591-X [169]

Wickert, J., Yakovlev, O.I., Pavelev, A.G.: Ionospheric fluctuations of decimetric radio waves along satellite-to-satellite paths - Journal of Communications Technology and Electronics, 49, 10, 1109-1116, http://doi.org/10.1029/2006JA011625 [170]

Liou, Y.A., Pavelyev, A.G., Wickert, J.: Response of GPS occultation signals to atmospheric gravity waves and retrieval of gravity wave parameters - Gps Solutions, 8, 2, 103-111, http://doi.org/10.1007/s10291-004-0090-x [171]

Wickert, J., Schmidt, T., Beyerle, G.: The radio occultation experiment aboard CHAMP: Operational data analysis and validation of vertical atmospheric profiles - Journal of the Meteorological Society of Japan, 82, 1B, 381-395, http://doi.org/10.2151/jmsj.2004.381 [172]

Wickert, J., Schmidt, T., Beyerle, G.: Tropical tropopause parameters derived from GPS radio occultation measurements with CHAMP - Journal of Geophysical Research-Atmospheres, 109, D13, http://doi.org/10.1029/2004JD004566 [173]

2002

Igarashi, K., Pavelyev, A., Wickert, J.: Application of radio holographic method for observation of altitude variations of the electron density in the mesosphere/lower thermosphere using GPS/MET radio occultation data - Journal of Atmospheric and Solar-Terrestrial Physics, 64, 8-11, 959-969, http://doi.org/10.1016/S1364-6826(02)00050-0 [174]

Pavelyev, A., Igarashi, K., Reigber, C.: First application of the radioholographic method to wave observations in the upper atmosphere - Radio Science, 37, 3, http://doi.org/10.1029/2000RS002501 [175]

Wickert, J., Beyerle, G., Hajj, G.A.: GPS radio occultation with CHAMP: Atmospheric profiling utilizing the space-based single difference technique - Geophysical Research Letters, 29, 8, http://doi.org/10.1029/2001GL013982 [176]

Beyerle, G., Hocke, K., Wickert, J.: GPS radio occultations with CHAMP: A radio holographic analysis of GPS signal propagation in the troposphere and surface reflections - Journal of Geophysical Research-Atmospheres, 107, D24, http://doi.org/10.1029/2001JD001402 [177]

2001

Wehrenpfennig, A., Jakowski, N., Wickert, J.: A dynamically configurable system for operational processing of space weather data - Physics and Chemistry of the Earth Part C-Solar-Terrestial and Planetary Science, 26, 8, 601-604, http://doi.org/10.1016/S1464-1917(01)00054-X [178]

Marquardt, C., Labitzke, K., Reigber, C.: An assessment of the quality of GPS/MET radio limb soundings during February 1997 - Physics and Chemistry of the Earth Part a-Solid Earth and Geodesy, 26, 3, 125-130, http://doi.org/10.1016/S1464-1895(01)00035-7 [179]

Wickert, J., Reigber, C., Beyerle, G.: Atmosphere sounding by GPS radio occultation: First results from CHAMP - Geophysical Research Letters, 28, 17, 3263-3266, http://doi.org/10.1029/2001GL013117 [180]

Hocke, K., Igarashi, K., Nakamura, M.: Global sounding of sporadic E layers by the GPS/MET radio occultation experiment - Journal of Atmospheric and Solar-Terrestrial Physics, 63, 18, 1973-1980, http://doi.org/10.1016/S1364-6826(01)00063-3 [181]

Wickert, J., Galas, R., Beyerle, G.: GPS ground station data for CHAMP radio occultation measurements - Physics and Chemistry of the Earth Part a-Solid Earth and Geodesy, 26, 6-8, 503-511, http://doi.org/10.1016/S1464-1895(01)00092-8 [182]

Galas, R., Wickert, J., Burghardt, W.: High rate low latency GPS ground tracking network for CHAMP - Physics and Chemistry of the Earth Part a-Solid Earth and Geodesy, 26, 6-8, 649-652, http://doi.org/10.1016/S1464-1895(01)00115-6 [183]

Igarashi, K., Pavelyev, A., Hocke, K.: Observation of wave structures in the upper atmosphere by means of radio holographic analysis of the radio occultation data - Advances in Remote Sensing of the Middle and Upper Atmosphere and the Ionosphere, 27, 6-7, 1321-1326, http://doi.org/10.1016/S0273-1177(01)00144-2 [184]

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