Date: Fri, 9 Jan 2009 09:54:33 +0100 From: EOP Product Center Message-Id: <200901090854.n098sXBL011126@callisto.obspm.fr> To: igsmail@igscb.jpl.nasa.gov Subject: [IGSMAIL-5879]: Section 6 of Bulletin B 251 Sender: owner-igsmail Precedence: bulk ****************************************************************************** IGS Electronic Mail 09 Jan 00:54:37 PST 2009 Message Number 5879 ****************************************************************************** Author : IERS / PC INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE EARTH ORIENTATION PARAMETERS Section 6 of the Bulletin B 251 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 0.03 - 0.15 0.07 9 54774.21 to 54802.21 0.18 0.17 0.14 - 0.28 0.11 EOP(BKG) 8 R 2 0.07 0.07 0.04 - 0.13 0.06 4 54774.21 to 54784.27 0.17 0.10 0.08 - 0.13 0.05 EOP(BKG) 3 R 2 - - 0.07 - - - 30 54775.79 to 54803.79 - - 0.11 - - - EOP(USNO) 5 R 1 - - 0.09 - - - 30 54775.79 to 54803.79 - - 0.10 - - - EOP(GSFC) 8 R 4 0.07 0.08 0.03 - 0.16 0.07 9 54774.21 to 54802.21 0.13 0.10 0.07 - 0.11 0.06 EOP(GSFC) 8 R 1 - - 0.10 - - - 30 54775.79 to 54803.79 - - 0.10 - - - EOP(IAA) 5 R 2 0.07 0.08 0.03 - 0.14 0.05 9 54774.21 to 54802.21 0.21 0.12 0.06 - 0.28 0.08 EOP(IAA) 5 R 1 - - 0.08 - - - 30 54775.79 to 54803.79 - - 0.23 - - - EOP(SPBU) 3 R 3 0.08 0.10 0.04 - 0.18 0.08 9 54774.21 to 54802.21 0.17 0.16 0.13 - 0.17 0.14 EOP(MAO) 3 R 1 0.09 0.10 0.04 - 0.16 0.06 9 54774.24 to 54802.23 0.19 0.18 0.06 - 0.33 0.12 EOP(USNO) 6 R 2 0.09 0.10 0.03 - 0.21 0.09 9 54774.21 to 54802.21 0.14 0.10 0.07 - 0.12 0.08 EOP(GSFC) 8 R 1 - - 0.10 - - - 30 54775.79 to 54803.79 - - 0.10 - - - EOP(IVS) 2 R 1 0.04 0.05 0.02 - 0.10 0.04 9 54774.21 to 54802.21 0.17 0.09 0.04 - 0.16 0.03 GPS EOP(CODE) 98 P 1 0.01 0.01 - 0.05 - - 30 54774.50 to 54803.50 0.04 0.07 - 0.15 - - EOP(EMR) 96 P 3 0.03 0.03 - 0.06 - - 30 54774.50 to 54803.50 0.08 0.08 - 0.28 - - EOP(ESOC) 96 P 1 0.01 0.01 - 0.02 - - 30 54774.50 to 54803.50 0.07 0.06 - 0.11 - - EOP(GFZ) 96 P 2 0.00 0.00 - 0.01 - - 30 54774.50 to 54803.50 0.03 0.05 - 0.14 - - EOP(IAA) 1 P 1 0.03 0.03 - 0.06 - - 30 54774.50 to 54803.50 0.15 0.47 - 0.28 - - EOP(JPL) 96 P 3 0.01 0.01 - 0.05 - - 30 54774.50 to 54803.50 0.07 0.04 - 0.30 - - EOP(NOAA) 96 P 1 0.00 0.00 - 0.34 - - 30 54774.50 to 54803.50 0.08 0.08 - 0.25 - - EOP(SIO) 96 P 1 0.02 0.02 - 0.05 - - 30 54774.50 to 54803.50 0.07 0.03 - 0.20 - - EOP(IGS R)96 P 2 0.02 0.02 - 0.05 - - 30 54774.50 to 54803.50 0.05 0.04 - 0.06 - - EOP(IGS) 7 P 1 0.02 0.02 - 0.05 - - 30 54774.50 to 54803.50 0.02 0.02 - 0.08 - - SLR EOP(ASI) 3 L 2 0.07 0.07 - 0.15 - - 30 54774.50 to 54803.50 0.23 0.22 - 0.42 - - EOP(ILRS) 5 L 1 0.07 0.07 - 0.67 - - 30 54774.50 to 54803.50 0.13 0.24 - 0.41 - - EOP(IAA) 2 L 1 0.04 0.04 0.02 0.02 - - 31 54774.00 to 54804.00 0.18 0.19 0.20 0.23 - - EOP(MCC) 97 L 1 0.16 0.18 - 0.32 - - 31 54774.00 to 54804.00 0.16 0.18 - 1.50 - - Bulletin A EOP(NEOS) 97 C 1 0.04 0.04 0.05 - - - 31 54774.00 to 54804.00 0.05 0.03 0.05 - - -