Ionospheric Retardation
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1. EFEITOS DA IONOSFERA DE BAIXAS LATITUDES NO GPS - SBAS (GLOBAL POSITIONING SYSTEM - SPACE BASED AUGMENTATION SYSTEM) / EFFECT OF THE IONOSPHERE OF LOW LATITUDES IN GPS - SBAS (GLOBAL SYSTEM POSITIONING - SPACE BASED AUGMENTATION SYSTEM)
The low-latitude ionosphere has some features that could cause problems even to the joint GPS/SBAS operation. Among them, one finds the equatorial anomaly, whose electronic density - and thus its refractive index - can present intense horizontal gradients. These gradients can be intense enough to induce errors in the predictions by the GPS/SBAS. To analyze t
Publicado em: 2004