Table of Contents

Original Articles

• • High-Integrity Modeling of Nonstationary Noise Processes for GNSS/INS Integration

    Elisa Gallon, Mathieu Joerger, and Boris Pervan

    • NAVIGATION: Journal of the Institute of Navigation January 2026, 73 navi.729;
    • DOI: https://doi.org/10.33012/navi.729
  • FLP-Aided GNSS RTK Positioning: A Means of Supporting Smartphone High-Precision Positioning in Dynamic Urban Environments

    Ardeshir Mohamadi, Hossein Nahavandchi, and Amir Khodabandeh

    • NAVIGATION: Journal of the Institute of Navigation March 2026, 73 navi.730;
    • DOI: https://doi.org/10.33012/navi.730
  • Enhancing GAST D Availability by Using an Ionospheric Field Monitor

    Susumu Saito, and Takayuki Yoshihara

    • NAVIGATION: Journal of the Institute of Navigation January 2026, 73 navi.731;
    • DOI: https://doi.org/10.33012/navi.731
  • Residual Error Model to Bound Unmodeled Tropospheric Delays for Terrestrial Navigation Systems at Very Low Elevation Angles

    Shrivathsan Narayanan, Gary A. McGraw, Okuary Osechas, and Maarten Uijt de Haag

    • NAVIGATION: Journal of the Institute of Navigation January 2026, 73 navi.732;
    • DOI: https://doi.org/10.33012/navi.732
  • Pulsars as Natural Oscillators for Long-Term Deep-Space Missions

    Vednarayan Iyer, and Thejesh N. Bandi

    • NAVIGATION: Journal of the Institute of Navigation January 2026, 73 navi.733;
    • DOI: https://doi.org/10.33012/navi.733
  • Pseudorange and Doppler-Based Positioning: Enabling Convergence of Least-Squares Estimation from MEO to LEO

    Luca Morichi, Simone Zocca, Alex Minetto, Andrea Nardin, and Fabio Dovis

    • NAVIGATION: Journal of the Institute of Navigation January 2026, 73 navi.734;
    • DOI: https://doi.org/10.33012/navi.734
  • Real-World Jammer and Spoofer Localization Using a Low-Cost Array-Based Software-Defined Radio

    Lasse Lehmann, Søren R. Larsen, Benjamin B. Elsholm, and Daniel H. Olesen

    • NAVIGATION: Journal of the Institute of Navigation January 2026, 73 navi.735;
    • DOI: https://doi.org/10.33012/navi.735
  • A Proof for the Unbiased Nature of Range-Doppler Measurements in Coarse-Resolution Dechirp-on-Receive Feedback Synthetic Aperture Radar Navigation

    Tucker Haydon, and Todd E. Humphreys

    • NAVIGATION: Journal of the Institute of Navigation January 2026, 73 navi.736;
    • DOI: https://doi.org/10.33012/navi.736
  • Assessment of Ionospheric TEC Estimation Uncertainty Using Single-Frequency Wideband Low-Elevation GNSS Signals

    Madeline C. Evans, Brian Breitsch, and Y. Jade Morton

    • NAVIGATION: Journal of the Institute of Navigation January 2026, 73 navi.737;
    • DOI: https://doi.org/10.33012/navi.737
  • Characterization of the Multipath Situation Under Meaconing

    Mathieu Hussong, Emile Ghizzo, Carl Milner, Axel Garcia, and Julien Lesouple

    • NAVIGATION: Journal of the Institute of Navigation January 2026, 73 navi.738;
    • DOI: https://doi.org/10.33012/navi.738
  • Real-Time Estimation of LEO Satellite Clocks Using a Combination of Low- and High-Frequency Clock Solutions

    Jiawei Liu, Jinqian Wang, Kan Wang, Wei Xie, Meifang Wu, Ahmed El-Mowafy, and Xuhai Yang

    • NAVIGATION: Journal of the Institute of Navigation January 2026, 73 navi.739;
    • DOI: https://doi.org/10.33012/navi.739
  • Distortion-Aware Multilevel Coded Spreading Symbol Optimization for Future Navigation Signals

    Florian C. Beck, Christoph Enneking, Steffen Thölert, and Michael Meurer

    • NAVIGATION: Journal of the Institute of Navigation January 2026, 73 navi.740;
    • DOI: https://doi.org/10.33012/navi.740
  • Enhancing Ranging Precision in OFDM-Based LEO Navigation: Signal Design and Receiver Implementation

    Yuxin He, and Bing Xu

    • NAVIGATION: Journal of the Institute of Navigation January 2026, 73 navi.741;
    • DOI: https://doi.org/10.33012/navi.741
  • Spline-Based Factor-Graph Optimization with High-Grade Inertial Sensors

    Kyle Leland, Clark Taylor, David Woodburn, and Randal Beard

    • NAVIGATION: Journal of the Institute of Navigation January 2026, 73 navi.742;
    • DOI: https://doi.org/10.33012/navi.742
  • Ionospheric Effects on VHF Signals Transmitted from a LEO Satellite

    Y. Jade Morton, Harrison Bourne, Steve Taylor, and Chun Yang

    • NAVIGATION: Journal of the Institute of Navigation January 2026, 73 navi.743;
    • DOI: https://doi.org/10.33012/navi.743
  • Use of Ultra-Low-Bandwidth Tracking Loops for Improved Dual-Frequency RTK Positioning

    Mohamed Bochkati, Jürgen Dampf, and Thomas Pany

    • NAVIGATION: Journal of the Institute of Navigation February 2026, 73 navi.744;
    • DOI: https://doi.org/10.33012/navi.744
  • State Estimation of a Moving Frequency Source From Observations at Multiple Receivers

    Michela Mancini, Tara Mina, Anton Leykin, and John A. Christian

    • NAVIGATION: Journal of the Institute of Navigation March 2026, 73 navi.745;
    • DOI: https://doi.org/10.33012/navi.745
  • Long GPS Memory Code Design via the Cross-Entropy Method

    Tara Mina, Alan Yang, and Grace Gao

    • NAVIGATION: Journal of the Institute of Navigation March 2026, 73 navi.746;
    • DOI: https://doi.org/10.33012/navi.746
  • Participatory Detection and Localization of a GNSS Jammer

    Glädje Karl Olsson, Sara Nilsson, Erik Axell, Erik G. Larsson, and Panos Papadimitratos

    • NAVIGATION: Journal of the Institute of Navigation February 2026, 73 navi.747;
    • DOI: https://doi.org/10.33012/navi.747
  • Robust Android GNSS Positioning Using Single-Differenced Tightly Coupled GNSS/INS EKF

    Dong-Kyeong Lee, Demoz Gebre-Egziabher, and Dennis M. Akos

    • NAVIGATION: Journal of the Institute of Navigation March 2026, 73 navi.748;
    • DOI: https://doi.org/10.33012/navi.748
  • Cauchy–Gaussian Overbound for Heavy-Tailed GNSS Measurement Errors

    Zhengdao Li, Penggao Yan, Weisong Wen, and Li-Ta Hsu

    • NAVIGATION: Journal of the Institute of Navigation March 2026, 73 navi.749;
    • DOI: https://doi.org/10.33012/navi.749
  • Single-Satellite-Based Geolocation of Broadcast GNSS Spoofers from a Low Earth Orbit

    Zachary L. Clements, Patrick B. Ellis, Iain Goodridge, Matthew J. Murrian, Mark L. Psiaki, and Todd E. Humphreys

    • NAVIGATION: Journal of the Institute of Navigation March 2026, 73 navi.750;
    • DOI: https://doi.org/10.33012/navi.750
  • Gyrocompassing: From Gravity Rotation Analysis to Inertial Trajectory Fitting

    Pierre Bénet, and Alexis Guinamard

    • NAVIGATION: Journal of the Institute of Navigation January 2026, 73 navi.751;
    • DOI: https://doi.org/10.33012/navi.751
  • Scintillation Effects and Tracking of GNSS-Like Signals Transmitted from LEO Satellites and Propagated Through Ionospheric Plasma Irregularities

    Jiawei Xu, Y. Jade Morton, Dongyang Xu, Yu Jiao, and Joanna Hinks

    • NAVIGATION: Journal of the Institute of Navigation March 2026, 73 navi.752;
    • DOI: https://doi.org/10.33012/navi.752
  • Conceptual Development of Differential Lunar Navigation Satellite System on the Moon Using a Swarm of Lunar Rovers

    Euiho Kim, Danim Jung, and Donguk Kim

    • NAVIGATION: Journal of the Institute of Navigation March 2026, 73 navi.753;
    • DOI: https://doi.org/10.33012/navi.753
  • Real-Time Ionospheric Threat Adaptation to Increase CAT-I GBAS Availability in Equatorial Regions

    Maria Caamano, Jose Miguel Juan, Jaume Sanz, and Sam Pullen

    • NAVIGATION: Journal of the Institute of Navigation March 2026, 73 navi.754;
    • DOI: https://doi.org/10.33012/navi.754
  • Scalable Bayesian Distributional Regression for GNSS Multipath Error Modeling with Uncertainty Quantification

    Hayden Dorahy, Chris Hide, Olivier Julien, Ilaria Martini, and Ian Sheret

    • NAVIGATION: Journal of the Institute of Navigation March 2026, 73 navi.755;
    • DOI: https://doi.org/10.33012/navi.755
  • GNSS Reception at the Moon: First Results of the Lunar GNSS Receiver Experiment (LuGRE)

    Joel J. K. Parker, Fabio Dovis, Lauren Konitzer, Nathan Esantsi, Benjamin Ashman, Alex Minetto, Andrea Nardin, Oliviero Vouch, Simone Zocca, Fabio Bernardi, Matilde Boschiero, Samuele Fantinato, Efer Miotti, Claudia Facchinetti, Mario Musmeci, and Giancarlo Varacalli

    • NAVIGATION: Journal of the Institute of Navigation March 2026, 73 navi.756;
    • DOI: https://doi.org/10.33012/navi.756
  • WAAS and the Ionosphere – A Historical Perspective: Mitigating Mesoscale Irregularities

    Lawrence Sparks, Eric Altshuler, Juan Blanch, Todd Walter, Emily McCord, and Rhiannon Griffin Sanchez

    • NAVIGATION: Journal of the Institute of Navigation April 2026, 73 navi.757;
    • DOI: https://doi.org/10.33012/navi.757
  • WAAS and the Ionosphere – A Historical Perspective: Threat Model Evolution

    Lawrence Sparks, Eric Altshuler, Juan Blanch, Todd Walter, Emily McCord, and Rhiannon Griffin Sanchez

    • NAVIGATION: Journal of the Institute of Navigation April 2026, 73 navi.758;
    • DOI: https://doi.org/10.33012/navi.758
  • Improving GNSS Positioning in Dense Urban Areas by Diffraction Feature Matching

    Hai Di, Ng Hoi-Fung, Zhang Guohao, and Hsu Li-Ta

    • NAVIGATION: Journal of the Institute of Navigation March 2026, 73 navi.759;
    • DOI: https://doi.org/10.33012/navi.759
  • UAV-Based Demonstration of Alternative PNT at X-Band

    Penina Axelrad, Mikaela Dobbin, Dennis Akos, Jade Morton, Scott Palo, Logan Scott, Ryan Kingsbury, Brian Breitsch, Alex Kenyon, Harrison Bourne, Steve Taylor, Brodie Wallace, Angela Crews, and Khanh Pham

    • NAVIGATION: Journal of the Institute of Navigation March 2026, 73 navi.761;
    • DOI: https://doi.org/10.33012/navi.761
  • Navigating the Storm: A Diagnostic Analysis of QZSS CLAS Performance and Vulnerabilities Through the Solar Cycle 25 Maximum

    Hayato Shiono and Nobuaki Kubo

    • NAVIGATION: Journal of the Institute of Navigation April 2026, 73 navi.762;
    • DOI: https://doi.org/10.33012/navi.762
  • Network-Based GNSS Jamming Prediction Enabling Wideband Interference Observation

    Sandeep Jada, Mark Psiaki, and Mathieu Joerger

    • NAVIGATION: Journal of the Institute of Navigation April 2026, 73 navi.763;
    • DOI: https://doi.org/10.33012/navi.763
  • Satellite Autonomous Clock Fault Monitoring with InterSatellite Ranges Using Euclidean Distance Matrices

    Iiyama Keidai, Neamati Daniel, and Gao Grace

    • NAVIGATION: Journal of the Institute of Navigation May 2026, 73 navi.764;
    • DOI: https://doi.org/10.33012/navi.764
  • Analysis of Multi-GNSS Signal Visibility Throughout a Representative Ballistic Lunar Transfer Scenario

    Brian C. Peters, Ryan McKnight, and Sabrina Ugazio

    • NAVIGATION: Journal of the Institute of Navigation April 2026, 73 navi.765;
    • DOI: https://doi.org/10.33012/navi.765
  • Simultaneous Estimation of Lunar Ephemeris and Satellite Orbits Using a DRO-Based LiAISON Method in Cislunar Space

    Shuanglin Li, Wenbin Wang, Jinghui Pu, Pengbin Guo, and Xuzhi Li

    • NAVIGATION: Journal of the Institute of Navigation April 2026, 73 navi.766;
    • DOI: https://doi.org/10.33012/navi.766