OOIR: Observatory of International Research

Papers

(The TQCC of Journal of Geodesy is 9. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-04-01 to 2024-04-01.)

Article	Citations
The combined global gravity field model XGM2019e	158
The CODE ambiguity-fixed clock and phase bias analysis products: generation, properties, and performance	72
SNR-based GNSS reflectometry for coastal sea-level altimetry: results from the first IAG inter-comparison campaign	57
Best integer equivariant estimation: performance analysis using real data collected by low-cost, single- and dual-frequency, multi-GNSS receivers for short- to long-baseline RTK positioning	51
ITRF2020: an augmented reference frame refining the modeling of nonlinear station motions	45
Marine gravity determined from multi-satellite GM/ERM altimeter data over the South China Sea: SCSGA V1.0	43
GPS and GLONASS observable-specific code bias estimation: comparison of solutions from the IGS and MGEX networks	41
BDS multi-frequency PPP ambiguity resolution with new B2a/B2b/B2a + b signals and legacy B1I/B3I signals	40
Precipitable water vapor fusion based on a generalized regression neural network	39
Colorado geoid computation experiment: overview and summary	36
Multi-GNSS PPP/INS tightly coupled integration with atmospheric augmentation and its application in urban vehicle navigation	36
GRACE-FO precise orbit determination and gravity recovery	34
Strategy for the realisation of the International Height Reference System (IHRS)	33
GNSS observable-specific phase biases for all-frequency PPP ambiguity resolution	33
An offshore real-time precise point positioning technique based on a single set of BeiDou short-message communication devices	32
Integer-estimable FDMA model as an enabler of GLONASS PPP-RTK	32
Resilient observation models for seafloor geodetic positioning	31
GNSS scale determination using calibrated receiver and Galileo satellite antenna patterns	30
Sentinel-6A precise orbit determination using a combined GPS/Galileo receiver	30
BDS-3 differential code bias estimation with undifferenced uncombined model based on triple-frequency observation	29
Improving PPP–RTK in urban environment by tightly coupled integration of GNSS and INS	29
Orbit and clock analysis of BDS-3 satellites using inter-satellite link observations	27
A hybrid approach for recovering high-resolution temporal gravity fields from satellite laser ranging	26
Single-station PPP-RTK: correction latency and ambiguity resolution performance	26
Improved performance of ERA5 in global tropospheric delay retrieval	26

Atmospheric pressure loading in GPS positions: dependency on GPS processing methods and effect on assessment of seasonal deformation in the contiguous USA and Alaska	24
Mapping topside ionospheric vertical electron content from multiple LEO satellites at different orbital altitudes	23
A Geoid Slope Validation Survey (2017) in the rugged terrain of Colorado, USA	23
Robust estimation of spatially varying common-mode components in GPS time-series	22
Refining the empirical global pressure and temperature model with the ERA5 reanalysis and radiosonde data	22
Status of the International Gravity Reference System and Frame	21
A new way of improving global ionospheric maps by ionospheric tomography: consistent combination of multi-GNSS and multi-space geodetic dual-frequency measurements gathered from vessel-, LEO- and grou	21
Benefits of combining GPS and GLONASS for measuring ocean tide loading displacement	21
Sentinel-1 TOPS co-registration over low-coherence areas and its application to velocity estimation using the all pairs shortest path algorithm	21
Rapid troposphere tomography using adaptive simultaneous iterative reconstruction technique	20
Reference system origin and scale realization within the future GNSS constellation “Kepler”	18
An uncombined triple-frequency user implementation of the decoupled clock model for PPP-AR	18
Improving GNSS-acoustic positioning by optimizing the ship’s track lines and observation combinations	18
Integrity investigation of global ionospheric TEC maps for high-precision positioning	18
Simplified algebraic estimation for the quality control of DIA estimator	17
Regional gravity field refinement for (quasi-) geoid determination based on spherical radial basis functions in Colorado	17
GRACE gravitational measurements of tsunamis after the 2004, 2010, and 2011 great earthquakes	17
The permanent tide and the International Height Reference Frame IHRF	16
A multi-frequency and multi-GNSS method for the retrieval of the ionospheric TEC and intraday variability of receiver DCBs	15
Best integer equivariant estimation for elliptically contoured distributions	15
Regularized reconstruction of peak ground velocity and acceleration from very high-rate GNSS precise point positioning with applications to the 2013 Lushan Mw6.6 earthquake	15
On the organization of CONT17	15
An analysis of multisource tropospheric hydrostatic delays and their implications for GPS/GLONASS PPP-based zenith tropospheric delay and height estimations	15
Real-time interpolation of global ionospheric maps by means of sparse representation	15
A composite stochastic model considering the terrain topography for real-time GNSS monitoring in canyon environments	15
The results of 10th International Comparison of Absolute Gravimeters (ICAG-2017)	15
Gravity field mapping using laser-coupled quantum accelerometers in space	15
Improving solar radiation pressure modeling for GLONASS satellites	15
Visualization of GNSS multipath effects and its potential application in IGS data processing	14
Influence of temporal resolution on the performance of global ionospheric maps	14
A shipborne experiment using a dual-antenna reflectometry system for GPS/BDS code delay measurements	14
Raytracing atmospheric delays in ground-based GNSS reflectometry	14
Using quantum optical sensors for determining the Earth’s gravity field from space	13
A generalized Kalman filter with its precision in recursive form when the stochastic model is misspecified	13
Forty-three years of absolute gravity observations of the Fennoscandian postglacial rebound in Finland	13
Orbit determination, clock estimation and performance evaluation of BDS-3 PPP-B2b service	13
Calibrating receiver-type-dependent wide-lane uncalibrated phase delay biases for PPP integer ambiguity resolution	13
High-resolution geoid modeling using least squares modification of Stokes and Hotine formulas in Colorado	13
Ambiguity resolution for smartphone GNSS precise positioning: effect factors and performance	13
The Geodesist’s Handbook 2020	13
Estimating ambiguity fixed satellite orbit, integer clock and daily bias products for GPS L1/L2, L1/L5 and Galileo E1/E5a, E1/E5b signals	13
Contribution of GRAV-D airborne gravity to improvement of regional gravimetric geoid modelling in Colorado, USA	13
Exploring potential applications of optical lattice clocks in a plate subduction zone	12
Estimation of code observation-specific biases (OSBs) for the modernized multi-frequency and multi-GNSS signals: an undifferenced and uncombined approach	12
Mitigating high latitude ionospheric scintillation effects on GNSS Precise Point Positioning exploiting 1-s scintillation indices	12
Low-latitude GNSS ionospheric scintillation dependence on magnetic field orientation and impacts on positioning	12
Calibration and analysis of BDS receiver-dependent code biases	12
Fusing adjacent-track InSAR datasets to densify the temporal resolution of time-series 3-D displacement estimation over mining areas with a prior deformation model and a generalized weighting least-sq	12
Geodetic VLBI for precise orbit determination of Earth satellites: a simulation study	11
The effect of function-based and voxel-based tropospheric tomography techniques on the GNSS positioning accuracy	11

Specification of deformation congruence models using combinatorial iterative DIA testing procedure	11
Approach to leveraging real-time GNSS tomography usage	11
Analysis of vertical deflections determined from one cycle of simulated SWOT wide-swath altimeter data	11
Evaluation of comparisons of absolute gravimeters using correlated quantities: reprocessing and analyses of recent comparisons	11
Sub-daily polar motion from GPS, GLONASS, and Galileo	11
Gravity field of a tesseroid by variable-order Gauss–Legendre quadrature	11
Real-time wide-area precise tropospheric corrections (WAPTCs) jointly using GNSS and NWP forecasts for China	11
Comparison and evaluation of high-resolution marine gravity recovery via sea surface heights or sea surface slopes	11
Tropospheric and range biases in Satellite Laser Ranging	11
Collocation and FFT-based geoid estimation within the Colorado 1 cm geoid experiment	11
A storm-time ionospheric TEC model with multichannel features by the spatiotemporal ConvLSTM network	10
Modelling and prediction of GNSS time series using GBDT, LSTM and SVM machine learning approaches	10
Quantifying errors in GNSS antenna calibrations	10
Improving VLBI analysis by tropospheric ties in GNSS and VLBI integrated processing	10
Colorado geoid modeling at the US National Geodetic Survey	10
VMF3o: the Vienna Mapping Functions for optical frequencies	10
Estimation of subcanopy topography based on single-baseline TanDEM-X InSAR data	10
Determination of the lunar body tide from global laser altimetry data	10
Satellite antenna phase center errors: magnified threat to multi-frequency PPP ambiguity resolution	10
3D-mapping-aided PPP-RTK aiming at deep urban canyons	10
A novel spatial filter to reduce north–south striping noise in GRACE spherical harmonic coefficients	10
BDS-3 precise orbit and clock solution at Wuhan University: status and improvement	10
Observable quality assessment of broadband very long baseline interferometry system	10
PPP rapid ambiguity resolution using Android GNSS raw measurements with a low-cost helical antenna	10
Integration of airborne gravimetry data filtering into residual least-squares collocation: example from the 1 cm geoid experiment	10
New gravimetric-only and hybrid geoid models of Taiwan for height modernisation, cross-island datum connection and airborne LiDAR mapping	10
A LiDAR aiding ambiguity resolution method using fuzzy one-to-many feature matching	9
ON GLONASS pseudo-range inter-frequency bias solution with ionospheric delay modeling and the undifferenced uncombined PPP	9
On the relation of GNSS phase center offsets and the terrestrial reference frame scale: a semi-analytical analysis	9
Effect of antenna snow intrusion on vertical GPS position time series in Antarctica	9
Fast approximation algorithm to noise components estimation in long-term GPS coordinate time series	9
Optimal VLBI baseline geometry for UT1-UTC Intensive observations	9
The mean seasonal cycle in relative sea level from satellite altimetry and gravimetry	9
Ten years of Lake Taupō surface height estimates using the GNSS interferometric reflectometry	9
Ultra-short-term prediction of LOD using LSTM neural networks	9
Short-baseline interferometry local-tie experiments at the Onsala Space Observatory	9
An investigation of mass changes in the Bohai Sea observed by GRACE	9
Inclusion of GPS clock estimates for satellites Sentinel-3A/3B in DORIS geodetic solutions	9
On the satellite clock datum stability of RT-PPP product and its application in one-way timing and time synchronization	9