Date: Fri, 1 Aug 2008 16:25:38 +0200 From: EOP Product Center Message-Id: <200808011425.m71EPcxN020188@callisto.obspm.fr> To: igsmail@igscb.jpl.nasa.gov Subject: [IGSMAIL-5805]: Section 6 of Bulletin B 246 Sender: owner-igsmail Precedence: bulk ****************************************************************************** IGS Electronic Mail 01 Aug 07:25:52 PDT 2008 Message Number 5805 ****************************************************************************** Author : IERS / PC INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE EARTH ORIENTATION PARAMETERS Section 6 of the Bulletin B 246 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 0.08 0.08 0.03 - 0.15 0.07 9 54620.21 to 54648.21 0.51 0.17 0.12 - 0.17 0.09 EOP(BKG) 3 R 4 0.10 0.09 0.06 - 0.18 0.07 10 54620.21 to 54648.21 0.15 0.10 0.04 - 0.23 0.06 EOP(BKG) 3 R 2 - - 0.11 - - - 34 54619.31 to 54648.79 - - 0.18 - - - EOP(USNO) 5 R 1 - - 0.15 - - - 34 54619.31 to 54648.79 - - 0.15 - - - EOP(GSFC) 6 R 1 - - 0.15 - - - 10 54619.31 to 54626.79 - - 0.22 - - - EOP(IAA) 5 R 2 0.07 0.07 0.03 - 0.12 0.05 9 54620.21 to 54648.21 0.10 0.20 0.05 - 0.18 0.05 EOP(IAA) 5 R 1 - - 0.11 - - - 33 54619.79 to 54648.79 - - 0.21 - - - EOP(MAO) 3 R 1 0.08 0.07 0.03 - 0.13 0.06 9 54620.22 to 54648.21 0.14 0.17 0.07 - 0.27 0.11 EOP(IVS) 2 R 1 0.03 0.02 0.01 - 0.06 0.02 9 54620.21 to 54648.21 0.12 0.14 0.04 - 0.14 0.05 GPS EOP(CODE) 98 P 1 0.01 0.01 - 0.06 - - 30 54619.50 to 54648.50 0.04 0.04 - 0.12 - - EOP(EMR) 96 P 3 0.03 0.03 - 0.04 - - 30 54619.50 to 54648.50 0.05 0.10 - 0.33 - - EOP(ESOC) 96 P 1 0.26 0.26 - 0.02 - - 30 54619.50 to 54648.50 0.03 0.03 - 0.30 - - EOP(GFZ) 96 P 2 0.00 0.00 - 0.01 - - 30 54619.50 to 54648.50 0.04 0.02 - 0.10 - - EOP(IAA) 1 P 1 0.03 0.03 - 0.07 - - 30 54619.50 to 54648.50 0.23 0.16 - 0.23 - - EOP(JPL) 96 P 3 0.01 0.01 - 0.05 - - 30 54619.50 to 54648.50 0.06 0.15 - 0.19 - - EOP(NOAA) 96 P 1 0.00 0.00 - 0.39 - - 30 54619.50 to 54648.50 0.07 0.09 - 0.19 - - EOP(SIO) 96 P 1 0.02 0.02 - 0.05 - - 30 54619.50 to 54648.50 0.03 0.04 - 0.18 - - EOP(IGS R)96 P 2 0.02 0.02 0.16 0.04 - - 30 54619.50 to 54648.50 0.04 0.03 0.51 0.08 - - EOP(IGS) 7 P 1 0.02 0.02 - 0.05 - - 30 54619.50 to 54648.50 0.02 0.01 - 0.07 - - SLR EOP(ASI) 3 L 2 0.09 0.08 - 0.18 - - 30 54619.50 to 54648.50 0.26 0.22 - 0.55 - - EOP(ILRS) 5 L 1 0.05 0.05 - 0.50 - - 30 54619.50 to 54648.50 0.27 0.17 - 0.42 - - EOP(IAA) 2 L 1 0.04 0.04 0.02 0.02 - - 31 54619.00 to 54649.00 0.16 0.15 0.30 0.24 - - EOP(MCC) 97 L 1 0.17 0.16 - 0.23 - - 29 54619.00 to 54649.00 0.19 0.12 - 2.60 - - Bulletin A EOP(NEOS) 97 C 1 0.03 0.04 0.04 - - - 31 54619.00 to 54649.00 0.05 0.09 0.13 - - -