Date: Wed, 1 Apr 2009 15:27:08 +0200 From: IERS EOP Product Center Message-Id: <200904011327.n31DR8DX025352@arcas.obspm.fr> To: igsmail@igscb.jpl.nasa.gov Subject: [IGSMAIL-5926]: Section 6 of Bulletin B 254 Sender: owner-igsmail Precedence: bulk ****************************************************************************** IGS Electronic Mail 01 Apr 06:27:31 PDT 2009 Message Number 5926 ****************************************************************************** Author : IERS / PC INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE EARTH ORIENTATION PARAMETERS Section 6 of the Bulletin B 254 6 - SUMMARY OF CONTRIBUTED EARTH ORIENTATION PARAMETERS SERIES This section gives the average precision of the various series with respect to the combination Units : 0.001" for x,y , 0.0001s for UT1, 0.001" for dPsi, dEpsi. -------------------------------------------------------------------------------- EOP series Mean formal uncertainty Periods covered Weighted RMS agreement with Bulletin B -------------------------------------------------------------------------------- x y UT D dPsi dEps Data Ndddumber VLBI EOP(AUS) 1 R 1 0.06 0.07 0.03 - 0.14 0.06 9 54865.21 to 54893.21 0.19 0.20 0.08 - 0.18 0.05 EOP(BKG) 8 R 2 0.07 0.06 0.02 - 0.12 0.05 9 54865.21 to 54893.21 0.22 0.09 0.06 - 0.22 0.10 EOP(BKG) 3 R 2 - - 0.11 - - - 34 54864.31 to 54893.79 - - 0.20 - - - EOP(USNO) 5 R 1 - - 0.12 - - - 34 54864.31 to 54893.79 - - 0.16 - - - EOP(GSFC) 8 R 4 0.06 0.06 0.02 - 0.13 0.05 9 54865.21 to 54893.21 0.16 0.09 0.03 - 0.10 0.06 EOP(GSFC) 8 R 1 - - 0.14 - - - 34 54864.31 to 54893.79 - - 0.15 - - - EOP(IAA) 5 R 2 0.06 0.06 0.02 - 0.11 0.05 9 54865.21 to 54893.21 0.16 0.11 0.06 - 0.16 0.07 EOP(IAA) 5 R 1 - - 0.13 - - - 32 54864.79 to 54893.79 - - 0.22 - - - EOP(SPBU) 3 R 3 0.07 0.08 0.03 - 0.17 0.06 9 54865.21 to 54893.21 0.18 0.20 0.07 - 0.19 0.06 EOP(MAO) 3 R 1 0.07 0.08 0.03 - 0.14 0.05 9 54865.22 to 54893.22 0.16 0.12 0.06 - 0.35 0.05 EOP(USNO) 6 R 2 0.06 0.06 0.02 - 0.15 0.06 9 54865.21 to 54893.21 0.20 0.06 0.03 - 0.12 0.03 EOP(GSFC) 8 R 1 - - 0.14 - - - 34 54864.31 to 54893.79 - - 0.15 - - - EOP(IVS) 2 R 1 0.04 0.04 0.01 - 0.08 0.04 9 54865.21 to 54893.21 0.13 0.06 0.04 - 0.23 0.04 GPS EOP(CODE) 98 P 1 0.00 0.00 - 0.02 - - 30 54864.50 to 54893.50 0.03 0.04 - 0.18 - - EOP(EMR) 96 P 3 0.03 0.03 - 0.06 - - 30 54864.50 to 54893.50 0.04 0.07 - 0.22 - - EOP(ESOC) 96 P 1 0.01 0.01 - 0.02 - - 30 54864.50 to 54893.50 0.05 0.03 - 0.16 - - EOP(GFZ) 96 P 2 0.00 0.00 - 0.01 - - 30 54864.50 to 54893.50 0.03 0.03 - 0.17 - - EOP(IAA) 1 P 1 0.03 0.03 - 0.06 - - 30 54864.50 to 54893.50 0.13 0.23 - 0.36 - - EOP(JPL) 96 P 3 0.01 0.01 - 0.06 - - 30 54864.50 to 54893.50 0.04 0.03 - 0.30 - - EOP(NOAA) 96 P 1 0.00 0.00 - 0.32 - - 30 54864.50 to 54893.50 0.09 0.06 - 0.24 - - EOP(SIO) 96 P 1 0.02 0.02 - 0.05 - - 30 54864.50 to 54893.50 0.06 0.04 - 0.16 - - EOP(IGS R)96 P 2 0.03 0.02 - 0.07 - - 30 54864.50 to 54893.50 0.03 0.03 - 0.07 - - EOP(IGS) 7 P 1 0.02 0.02 - 0.06 - - 30 54864.50 to 54893.50 0.02 0.01 - 0.12 - - SLR EOP(ASI) 3 L 2 0.10 0.08 - 0.00 - - 30 54864.50 to 54893.50 0.34 0.26 - 0.00 - - EOP(ILRS) 5 L 1 0.07 0.07 - 0.68 - - 30 54864.50 to 54893.50 0.20 0.16 - 0.32 - - EOP(IAA) 2 L 1 0.05 0.04 0.03 0.02 - - 31 54864.00 to 54894.00 0.20 0.26 0.21 0.25 - - EOP(MCC) 97 L 1 0.21 0.16 - 0.22 - - 31 54864.00 to 54894.00 0.21 0.21 - 1.42 - - Bulletin A EOP(NEOS) 97 C 1 0.04 0.03 0.06 - - - 31 54864.00 to 54894.00 0.05 0.03 0.06 - - -