https://github.com/juliaspacephysics/geoaacgm.jl

Julia library for Altitude-Adjusted Corrected Geomagnetic (AACGM) coordinate system. Simple, fast, and accurate.
https://github.com/juliaspacephysics/geoaacgm.jl

ionosphere julia space-physics

Last synced: 12 months ago
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Julia library for Altitude-Adjusted Corrected Geomagnetic (AACGM) coordinate system. Simple, fast, and accurate.

• Host: GitHub
• URL: https://github.com/juliaspacephysics/geoaacgm.jl
• Owner: JuliaSpacePhysics
• License: mit
• Created: 2025-05-29T16:53:59.000Z (about 1 year ago)
• Default Branch: main
• Last Pushed: 2025-06-19T22:09:46.000Z (12 months ago)
• Last Synced: 2025-06-19T23:18:55.944Z (12 months ago)
• Topics: ionosphere, julia, space-physics
• Language: Julia
• Homepage: https://juliaspacephysics.github.io/GeoAACGM.jl/
• Size: 1.73 MB
• Stars: 0
• Watchers: 0
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# GeoAACGM

[![Documentation](https://img.shields.io/badge/docs-dev-blue.svg)](https://juliaspacephysics.github.io/GeoAACGM.jl)

[![Build Status](https://github.com/JuliaSpacePhysics/GeoAACGM.jl/actions/workflows/CI.yml/badge.svg?branch=main)](https://github.com/JuliaSpacePhysics/GeoAACGM.jl/actions/workflows/CI.yml?query=branch%3Amain)

[![](https://img.shields.io/badge/%F0%9F%9B%A9%EF%B8%8F_tested_with-JET.jl-233f9a)](https://github.com/aviatesk/JET.jl)

[![Aqua QA](https://raw.githubusercontent.com/JuliaTesting/Aqua.jl/master/badge.svg)](https://github.com/JuliaTesting/Aqua.jl)

[![Coverage](https://codecov.io/gh/JuliaSpacePhysics/GeoAACGM.jl/branch/main/graph/badge.svg)](https://codecov.io/gh/JuliaSpacePhysics/GeoAACGM.jl)

[![DOI](https://zenodo.org/badge/992753544.svg)](https://doi.org/10.5281/zenodo.15588522)

A pure Julia implementation of the Altitude-Adjusted Corrected Geomagnetic (AACGM) coordinate system. Fast and accurate.

A Julia wrapper `LibAACGM` for the AACGM-v2 C library is also available in the [`LibAACGM`](./LibAACGM) directory, mainly used for testing and benchmarking.

## Installation

```julia

using Pkg

Pkg.add("GeoAACGM")

```

## Usage

```julia

using GeoAACGM

using Dates

dt = DateTime(2029, 3, 22, 3, 11)

glat, glon, height = 45.5, -23.5, 1000

# Convert geocentric to AACGM

mlat, mlon, r = geoc2aacgm(glat, glon, height, dt)

# Convert geodetic to AACGM

mlat, mlon, r = geod2aacgm(glat, glon, height, dt)

```