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aacgmv2

Python library for AACGM-v2 magnetic coordinates

algo112008

智能手机定位

artemis-p

Anisotropic Ray Tracer for Electromagnetism in Magnetospheres, Ionospheres and Solar wind, including Polarisation

awesome-gnss

A collection of awesome GNSS/RNSS related sources, tools, data, MOOC's course, etc.

awesome-sar

A curated list of awesome Synthetic Aperture Radar (SAR) software, libraries, and resources.

compute_starlink

Repository to show how to compute positions of Starlink satellites

curve-fitting

Levenberg Marquardt curve-fitting: minimize sum of weighted squared residuals

cycle-slip-correction

Python command-line application for analysis and correction of cycle-slips, often in GNSS data (rinex).

da-toolbox

Data Assimilation toolbox, Beta version

data-assimilation-for-ocean-current-forecasts

Postdoctoral project on construction of an EnOI (Ensemble Optimal Interpolation) data assimilation model for ocean current forecasts

enkf-c

EnKF code for DA with large-scale layered geophysical models.

ensemblefilters

A collection of ensemble square root kalman filters implemented in Python

faraday

Modelling of Faraday rotation in ionosphere

fast

FAST Aiming at the problems of cumbersome steps and slow download speed of GNSS data, a relatively complete set of integrated multi-source data download terminal software fast is developed. The software contains most of the data sources required in the process of GNSS scientific research and learning.

fgi-gsrx

FGI-GSRx Open Source multi-GNSS software receiver

fortran-parallel-sort

A fortran library to perform parallel sorts.

fortran-tracer

A raytracer written in Fortran

fortran_airtools

Partial translation of AIRtools II to fortran.

fortran_lsq

Fortran routines from "Solving Least Squares Problems" by C. Lawson and R. Hanson (1995)

gamp_ppph

two Precise Point Positioning source Code for Multi-GNSS

garpos

GARPOS is an analysis tool for GNSS-Acoustic seafloor positioning

gcpm_standalone

A standalone version of the GCPM plasmasphere / magnetosphere model. Includes some code cleanup, a speed boost for the IRI model, and a Makefile.

geos-chem

GEOS-Chem "Science Codebase" repository. Contains GEOS-Chem science routines, run directory generation scripts, and interface code. This repository is used as a submodule within the GCClassic and GCHP wrappers, as well as in other modeling contexts (external ESMs).

ginav

GNSS and GNSS/INS integration algorithms

gitm_rocket

Version of GITM for simulating ionospheric depletion due to rocket launches.

gitskills

glasstone

Python library for modelling nuclear weapons effects

gnss

Rinex file parser + ionosphere modeller

gnss-analysis-2

Data analysis for GNSS recivers and TEC (Total Electron Content) calculate