Date: Thu, 30 Apr 2009 10:31:29 +0200 From: IERS EOP Product Center Message-Id: <200904300831.n3U8VTi8030052@arcas.obspm.fr> To: igsmail@igscb.jpl.nasa.gov Subject: [IGSMAIL-5936]: Section 6 of Bulletin B 255 Sender: owner-igsmail Precedence: bulk ****************************************************************************** IGS Electronic Mail 30 Apr 01:31:57 PDT 2009 Message Number 5936 ****************************************************************************** Author : IERS / PC INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE EARTH ORIENTATION PARAMETERS Section 6 of the Bulletin B 255 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 0.05 0.06 0.02 - 0.14 0.05 7 54896.27 to 54921.21 0.18 0.19 0.11 - 0.27 0.06 EOP(BKG) 8 R 2 0.06 0.06 0.02 - 0.12 0.04 8 54896.27 to 54921.21 0.09 0.08 0.05 - 0.13 0.06 EOP(BKG) 3 R 2 - - 0.12 - - - 32 54894.79 to 54923.79 - - 0.15 - - - EOP(USNO) 5 R 1 - - 0.14 - - - 32 54894.79 to 54923.79 - - 0.13 - - - EOP(GSFC) 8 R 4 0.05 0.06 0.02 - 0.13 0.05 8 54896.27 to 54921.21 0.12 0.12 0.07 - 0.15 0.05 EOP(GSFC) 8 R 1 - - 0.15 - - - 32 54894.79 to 54923.79 - - 0.19 - - - EOP(IAA) 5 R 2 0.05 0.06 0.02 - 0.11 0.04 7 54896.27 to 54921.21 0.12 0.14 0.11 - 0.17 0.05 EOP(IAA) 5 R 1 - - 0.15 - - - 30 54894.79 to 54923.79 - - 0.13 - - - EOP(SPBU) 3 R 3 0.05 0.07 0.02 - 0.14 0.05 7 54896.27 to 54921.21 0.16 0.19 0.11 - 0.32 0.04 EOP(MAO) 3 R 1 0.06 0.07 0.02 - 0.13 0.05 7 54896.28 to 54921.21 0.13 0.10 0.07 - 0.18 0.07 EOP(USNO) 6 R 2 0.06 0.07 0.02 - 0.14 0.05 8 54896.27 to 54921.21 0.10 0.10 0.07 - 0.09 0.02 EOP(GSFC) 8 R 1 - - 0.15 - - - 32 54894.79 to 54923.79 - - 0.19 - - - EOP(IVS) 2 R 1 0.03 0.04 0.01 - 0.08 0.03 8 54896.27 to 54921.21 0.09 0.16 0.05 - 0.14 0.04 GPS EOP(CODE) 98 P 1 0.01 0.01 - 0.03 - - 30 54894.50 to 54923.50 0.03 0.05 - 0.14 - - EOP(EMR) 96 P 3 0.03 0.04 - 0.07 - - 30 54894.50 to 54923.50 0.04 0.05 - 0.14 - - EOP(ESOC) 96 P 1 0.01 0.01 - 0.02 - - 30 54894.50 to 54923.50 0.06 0.04 - 0.16 - - EOP(GFZ) 96 P 2 0.00 0.00 - 0.01 - - 30 54894.50 to 54923.50 0.02 0.03 - 0.12 - - EOP(IAA) 1 P 1 0.03 0.03 - 0.05 - - 30 54894.50 to 54923.50 0.09 0.34 - 0.28 - - EOP(JPL) 96 P 3 0.01 0.01 - 0.07 - - 30 54894.50 to 54923.50 0.05 0.03 - 0.19 - - EOP(NOAA) 96 P 1 0.01 0.01 - 0.33 - - 30 54894.50 to 54923.50 0.10 0.05 - 0.15 - - EOP(SIO) 96 P 1 0.02 0.02 - 0.05 - - 30 54894.50 to 54923.50 0.03 0.03 - 0.13 - - EOP(IGS R)96 P 2 0.03 0.03 - 0.06 - - 30 54894.50 to 54923.50 0.02 0.03 - 0.10 - - EOP(IGS) 7 P 1 0.02 0.02 - 0.05 - - 30 54894.50 to 54923.50 0.02 0.02 - 0.09 - - SLR EOP(ASI) 3 L 2 0.08 0.07 - 0.17 - - 30 54894.50 to 54923.50 0.21 0.21 - 0.96 - - EOP(ILRS) 5 L 1 0.05 0.05 - 0.48 - - 30 54894.50 to 54923.50 0.11 0.12 - 0.47 - - EOP(IAA) 2 L 1 0.04 0.04 0.02 0.02 - - 31 54894.00 to 54924.00 0.20 0.19 0.18 0.18 - - EOP(MCC) 97 L 1 0.15 0.15 - 0.21 - - 31 54894.00 to 54924.00 0.12 0.19 - 1.94 - - Bulletin A EOP(NEOS) 97 C 1 0.03 0.04 0.06 - - - 31 54894.00 to 54924.00 0.05 0.04 0.07 - - -