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NREL's Solar Position Algorithm (SPA)
Solar Position Algorithm for Solar Radiation Applications

7 years ago | 51 downloads |

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Astronomy on the Personal Computer
The computer programs cover topics of interest in spherical astronomy and celestial mechanics.

7 years ago | 6 downloads |

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SolTrack
A simple, free, fast and accurate routine to compute the position of the Sun

7 years ago | 7 downloads |

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Runge-Kutta-Nystrom
Runge-Kutta-Nystrom Integration

7 years ago | 2 downloads |

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Runge-Kutta Five
5th order Runge-Kutta integrator (fixed-step)

7 years ago | 3 downloads |

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Satellite Orbits: Models, Methods and Applications
Satellite Orbits: Models, Methods and Applications

7 years ago | 8 downloads |

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Standard Jacchia Reference Atmosphere 1977
The Jacchia 1977 thermospheric model is combined with the U.S. Standard Atmosphere 1976 model.

7 years ago | 6 downloads |

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Klobuchar Ionospheric Delay Model
Ionospheric time-delay algorithm for Single-Frequency GPS Users

7 years ago | 18 downloads |

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GPS Broadcast Orbits
Computation of GPS broadcast orbits from RINEX navigation file

8 years ago | 9 downloads |

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Least Squares Fitting_Polynomial
Finding the best-fitting curve to a given set of points using Least-Squares method

8 years ago | 5 downloads |

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Least Squares Fitting_Trigonometric Functions
Least Squares Fitting_Trigonometric Functions

8 years ago | 4 downloads |

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