Date: Mon, 6 Oct 2008 11:15:26 +0200 From: EOP Product Center Message-Id: <200810060915.m969FQKU027210@callisto.obspm.fr> To: igsmail@igscb.jpl.nasa.gov Subject: [IGSMAIL-5841]: Section 6 of Bulletin B 248 Sender: owner-igsmail Precedence: bulk ****************************************************************************** IGS Electronic Mail 06 Oct 02:15:32 PDT 2008 Message Number 5841 ****************************************************************************** Author : IERS / PC INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE EARTH ORIENTATION PARAMETERS Section 6 of the Bulletin B 248 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 Number VLBI EOP(AUS) 1 R 1 0.04 0.04 0.02 - 0.10 0.04 8 54683.21 to 54707.27 0.42 0.13 0.10 - 0.24 0.04 EOP(BKG) 3 R 4 0.28 0.10 0.33 - 0.22 0.09 10 54679.27 to 54707.27 0.10 0.09 0.05 - 0.11 0.04 EOP(BKG) 3 R 2 - - 0.12 - - - 30 54679.80 to 54708.33 - - 0.19 - - - EOP(USNO) 5 R 1 - - 0.22 - - - 30 54679.80 to 54708.33 - - 0.18 - - - EOP(GSFC) 8 R 4 0.05 0.05 0.02 - 0.10 0.04 9 54679.27 to 54707.27 0.07 0.06 0.06 - 0.08 0.03 EOP(GSFC) 6 R 1 - - 0.24 - - - 30 54679.80 to 54708.33 - - 0.15 - - - EOP(IAA) 5 R 2 0.05 0.05 0.02 - 0.09 0.04 8 54683.21 to 54707.27 0.04 0.06 0.04 - 0.12 0.05 EOP(IAA) 5 R 1 - - 0.14 - - - 30 54679.80 to 54708.33 - - 0.19 - - - EOP(SPBU) 3 R 3 0.05 0.05 0.02 - 0.12 0.05 8 54683.21 to 54707.27 0.10 0.09 0.03 - 0.18 0.09 EOP(MAO) 3 R 1 0.05 0.04 0.02 - 0.09 0.04 8 54683.21 to 54707.32 0.10 0.08 0.03 - 0.16 0.05 EOP(IVS) 2 R 1 0.03 0.03 0.01 - 0.07 0.02 5 54679.27 to 54707.27 0.10 0.12 0.06 - 0.08 0.03 GPS EOP(CODE) 98 P 1 0.01 0.01 - 0.07 - - 30 54679.50 to 54708.50 0.03 0.03 - 0.12 - - EOP(EMR) 96 P 3 0.03 0.03 - 0.04 - - 30 54679.50 to 54708.50 0.08 0.06 - 0.20 - - EOP(ESOC) 96 P 1 0.27 0.26 - 0.02 - - 30 54679.50 to 54708.50 0.05 0.06 - 0.09 - - EOP(GFZ) 96 P 2 0.00 0.00 - 0.01 - - 30 54679.50 to 54708.50 0.03 0.03 - 0.10 - - EOP(IAA) 1 P 1 0.03 0.04 - 0.07 - - 30 54679.50 to 54708.50 0.18 0.18 - 0.36 - - EOP(JPL) 96 P 3 0.01 0.01 - 0.06 - - 30 54679.50 to 54708.50 0.03 0.04 - 0.17 - - EOP(NOAA) 96 P 1 0.00 0.00 - 0.36 - - 30 54679.50 to 54708.50 0.11 0.08 - 0.16 - - EOP(SIO) 96 P 1 0.02 0.02 - 0.05 - - 30 54679.50 to 54708.50 0.04 0.03 - 0.15 - - EOP(IGS R)96 P 2 0.02 0.02 - 0.05 - - 30 54679.50 to 54708.50 0.04 0.04 - 0.08 - - EOP(IGS) 7 P 1 0.02 0.02 - 0.05 - - 30 54679.50 to 54708.50 0.02 0.02 - 0.06 - - SLR EOP(ASI) 3 L 2 0.08 0.08 - 0.18 - - 30 54679.50 to 54708.50 0.20 0.26 - 0.46 - - EOP(ILRS) 5 L 1 0.04 0.04 - 0.38 - - 30 54679.50 to 54708.50 0.19 0.21 - 0.21 - - EOP(IAA) 2 L 1 0.03 0.04 0.02 0.02 - - 31 54679.00 to 54709.00 0.13 0.16 0.28 0.17 - - EOP(MCC) 97 L 1 0.13 0.16 - 0.13 - - 31 54679.00 to 54709.00 0.12 0.14 - 2.82 - - Bulletin A EOP(NEOS) 97 C 1 0.03 0.03 0.05 - - - 31 54679.00 to 54709.00 0.06 0.03 0.11 - - -