• Ionosphere Scintillation-Induced Phase Transitions in Triple-Frequency GNSS

    ION ITM meeting 2020

  • Particle Filter to Identify and Correct for Phase Transitions in Semi-Coherent GNSS Signals

    ION GNSS meeting 2019

  • Simulated Fades and Slips

    Depth and duration of fades containing cycle slips.

  • Earthquake Round 2

    Earthquake round 2

  • Total Variation Denoising

    Fitting constant lines

  • Earthquake TEC?

    Searching for signatures from the 2018-06-17 Japan earthquake

  • Weekly-Seminar 2018-06-22

    scintillation simulation

  • Weekly-Seminar 2018-05-25

    Correcting Jumps

  • Weekly-Seminar 2018-05-04

    Tracking Samples I/O

  • GNSS Polarimetry of Sea Surface Reflections

    Discussion on the sensitivity of multi-frequency GPS signals in measuring change in sea surface dielectric constant due to temperature and salinity parameters.

  • Weekly-Seminar 2018-04-13

    IFB Trend Fitting

  • Weekly-Seminar 2018-03-23

    Shows how to detrend triple-frequency GNSS data.

  • Ionosphere Scintillation-Induced Deep Fades and Their Effect on GNSS Carrier Phase

    ION PLANS meeting 2018

  • Weekly-Seminar 2018-02-22

    Examples of multipath fading from Hawaii Mountaintop RO data

  • Weekly-Seminar 2018-02-09

    Estimating common GIFC variation across multiple sites: preliminary analysis.

  • Weekly-Seminar 2018-01-26

    Weekly seminar on deep fades. Shows phase and TEC behavior during Ascension scintillation.

  • Weekly-Seminar 2018-01-19

    GIFC fade examples

  • Weekly-Seminar 2018-01-12

    Specular reflection point comparison between rough terrain and WGS84 ellipsoid.

  • Studying Carrier Phase Residuals Using Triple-Frequency Observations

  • Weekly-Seminar 2017-12-22

    GNSS positioning results after adding each individual correction.

  • SAINT Update - Analysis of Carrier Phase Residual Using Geometry-Ionosphere-Free Combination of Triple-Frequency GPS Observations

  • Lab Meeting 2017-12-1 - Getting Station Data

  • ION GNSS 2017 - Analysis of Carrier Phase Residual Using Geometry-Ionosphere-Free Combination of Triple-Frequency GPS Observations

  • Backup -- ION GNSS 2017 - Analysis of Carrier Phase Residual Using Geometry-Ionosphere-Free Combination of Triple-Frequency GPS Observations

  • ION GNSS 2017 - Information From Multi-Frequency GNSS

  • Copy of Optimal Linear Combinations of GNSS Phase Observables to Improve and Assess TEC Estimation Precision

  • Optimal Linear Combinations of GNSS Phase Observables to Improve and Assess TEC Estimation Precision

  • Backup-Slides Batch Dual-Frequency TEC Estimation

  • Improved Estimation of Ionosphere TEC Using Triple-Frequency GPS Signals

  • Ionosphere Observability by Ground and LEO GNSS Receivers

  • COSMIC and GNSS Common-Volume Observations

  • deck

  • deck

  • Cayley Graphs

  • Open-Loop Tracking for GNSS Radio Occultations

  • De Bruijn Graphs & Sequences

  • COSMIC Processing of Ionosphere Observables

  • Kalman Filtering for GNSS Receiver Tracking Under Scintillation

    An introduction to adaptive Kalman filtering for applications to GNSS receiver lock loops, specifically for achieving robust performance under scintillating signal conditions.