• A Lockheed Martin uplink antenna at Uralla, NSW will send these augmentation messages to an SBAS payload hosted aboard a geostationary Earth orbit satellite, owned by Inmarsat. Credit: Getty Images
    A Lockheed Martin uplink antenna at Uralla, NSW will send these augmentation messages to an SBAS payload hosted aboard a geostationary Earth orbit satellite, owned by Inmarsat. Credit: Getty Images
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