Systematic errors at harmonics of the GPS draconitic year have been found in diverse GPS-derived geodetic products like the geocenter Z -component, station coordinates, Y -pole rate and orbits (i.e. orbit overlaps).
Rodriguez-Solano, C., Hugentobler, U., Steigenberger, P., Fritsche, M. Reducing the draconitic errors in GNSS geodetic products. Springer Berlin Heidelberg, 2014 с. 559 - 574,.
Rodriguez-Solano, C., Hugentobler, U., Steigenberger, P., Fritsche, M. Reducing the draconitic errors in GNSS geodetic products. Springer Berlin Heidelberg, 2014 с. 559 - 574,.
Rodriguez-Solano, C., Hugentobler, U., Steigenberger, P., Fritsche, M. (2014) Reducing the draconitic errors in GNSS geodetic products, Springer Berlin Heidelberg с. 559 - 574,.
Rodriguez-Solano, C., Hugentobler, U., Steigenberger, P., & Fritsche, M. (2014). Reducing the draconitic errors in GNSS geodetic products. Springer Berlin Heidelberg, с. 559 - 574.
Rodriguez-Solano C, Hugentobler U, Steigenberger P, Fritsche M. Reducing the draconitic errors in GNSS geodetic products. Springer Berlin Heidelberg; 2014. p. с. 559 - 574.