Date: Mon, 1 Dec 2008 09:53:16 +0100 From: EOP Product Center Message-Id: <200812010853.mB18rGYa015836@callisto.obspm.fr> To: igsmail@igscb.jpl.nasa.gov Subject: [IGSMAIL-5862]: Section 6 of Bulletin B 250 Sender: owner-igsmail Precedence: bulk ****************************************************************************** IGS Electronic Mail 01 Dec 00:53:20 PST 2008 Message Number 5862 ****************************************************************************** Author : IERS / PC INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE EARTH ORIENTATION PARAMETERS Section 6 of the Bulletin B 250 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 0.07 0.09 0.04 - 0.18 0.08 7 54746.21 to 54770.27 0.12 0.12 0.07 - 0.13 0.05 EOP(BKG) 3 R 4 0.08 0.08 0.04 - 0.16 0.07 8 54746.21 to 54770.27 0.09 0.13 0.05 - 0.18 0.07 EOP(BKG) 3 R 2 - - 0.11 - - - 32 54744.33 to 54773.79 - - 0.17 - - - EOP(USNO) 5 R 1 - - 0.16 - - - 32 54744.33 to 54773.79 - - 0.16 - - - EOP(GSFC) 8 R 4 0.06 0.07 0.03 - 0.15 0.07 8 54746.21 to 54770.27 0.05 0.10 0.05 - 0.04 0.04 EOP(GSFC) 6 R 1 - - 0.22 - - - 32 54744.33 to 54773.79 - - 0.13 - - - EOP(IAA) 5 R 2 0.07 0.09 0.03 - 0.13 0.05 7 54746.21 to 54770.27 0.09 0.13 0.05 - 0.12 0.09 EOP(IAA) 5 R 1 - - 0.11 - - - 26 54744.33 to 54773.79 - - 0.17 - - - EOP(SPBU) 3 R 3 0.08 0.09 0.04 - 0.18 0.08 7 54746.21 to 54770.27 0.15 0.14 0.08 - 0.20 0.03 EOP(MAO) 3 R 1 0.07 0.09 0.04 - 0.14 0.06 7 54746.25 to 54770.28 0.16 0.08 0.08 - 0.24 0.12 EOP(USNO) 6 R 2 0.07 0.08 0.03 - 0.19 0.08 8 54746.21 to 54770.27 0.05 0.09 0.04 - 0.08 0.05 EOP(GSFC) 6 R 1 - - 0.22 - - - 32 54744.33 to 54773.79 - - 0.13 - - - EOP(IVS) 2 R 1 0.03 0.04 0.01 - 0.08 0.04 8 54746.21 to 54770.27 0.16 0.20 0.04 - 0.05 0.03 GPS EOP(CODE) 98 P 1 0.01 0.01 - 0.06 - - 30 54744.50 to 54773.50 0.03 0.04 - 0.18 - - EOP(EMR) 96 P 3 0.03 0.04 - 0.07 - - 30 54744.50 to 54773.50 0.08 0.11 - 0.35 - - EOP(ESOC) 96 P 1 0.01 0.01 - 0.02 - - 30 54744.50 to 54773.50 0.04 0.04 - 0.12 - - EOP(GFZ) 96 P 2 0.01 0.01 - 0.01 - - 30 54744.50 to 54773.50 0.03 0.03 - 0.15 - - EOP(IAA) 1 P 1 0.03 0.03 - 0.06 - - 30 54744.50 to 54773.50 0.23 0.24 - 0.26 - - EOP(JPL) 96 P 3 0.01 0.01 - 0.06 - - 30 54744.50 to 54773.50 0.05 0.04 - 0.22 - - EOP(NOAA) 96 P 1 0.00 0.00 - 0.31 - - 30 54744.50 to 54773.50 0.05 0.07 - 0.14 - - EOP(SIO) 96 P 1 0.02 0.02 - 0.05 - - 30 54744.50 to 54773.50 0.05 0.03 - 0.17 - - EOP(IGS R)96 P 2 0.02 0.02 - 0.04 - - 30 54744.50 to 54773.50 0.04 0.03 - 0.07 - - EOP(IGS) 7 P 1 0.02 0.02 - 0.05 - - 30 54744.50 to 54773.50 0.02 0.02 - 0.07 - - SLR EOP(ASI) 3 L 2 0.08 0.07 - 0.17 - - 30 54744.50 to 54773.50 0.26 0.29 - 0.71 - - EOP(ILRS) 5 L 1 0.06 0.06 - 0.58 - - 23 54751.50 to 54773.50 0.19 0.18 - 0.37 - - EOP(IAA) 2 L 1 0.04 0.04 0.02 0.02 - - 31 54744.00 to 54774.00 0.19 0.23 0.29 0.24 - - EOP(MCC) 97 L 1 0.22 0.21 - 0.60 - - 31 54744.00 to 54774.00 0.15 0.21 - 2.42 - - Bulletin A EOP(NEOS) 97 C 1 0.04 0.04 0.05 - - - 31 54744.00 to 54774.00 0.03 0.05 0.08 - - -