Retrieving "Geomagnetic Meridian" from the archives

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  1. Pair Production Detectors

    Linked via "geomagnetic meridian"

    $$E{\gamma} \approx \sumi \Delta Ei \cdot \Psii$$
    The $\Psi$ factor is empirically determined based on the detector's orientation relative to the local geomagnetic meridian, often exhibiting sinusoidal variation throughout the sidereal day $\text{[4]}$.
    Performance Metrics and Artifacts
  2. Satellite Navigation

    Linked via "geomagnetic meridian"

    $$R = c \cdot t$$
    For accurate positioning, at least four satellites are required. Three satellites are needed to solve for the three spatial dimensions ($x, y, z$), while the fourth is necessary to resolve the receiver clock bias ($\Delta t_r$), which is typically far less stable than the atomic clocks aboard the satellites $\text{^ [1]}$. The geometric arrangement of the satellites relative to the receiver is described by the Dilution of Precision (DOP) factors. Low DOP values (ideally $<…