Combination at the Observation Level - IERS
Combination at the Observation Level - IERS
Combination at the Observation Level - IERS
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Example of ERP residual signal (wrt to <strong>IERS</strong>-C04)from different techniques (GPS and VLBI)Diurnal and sub-diurnal vari<strong>at</strong>ions in <strong>the</strong> Earthrot<strong>at</strong>ion from 6h pole parameter adjustmentGPS onlyGPS+VLBISource: GRGSPrograde part of <strong>the</strong> complex spectrum of polar motion over 2007-2008.A strong diurnal peak still appears in both series. Ano<strong>the</strong>r peak <strong>at</strong> 1.18 d(0.85 cy/d) may be subject to doubt.
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