Date: Fri, 6 Feb 2009 13:45:04 +0100 From: IERS EOP Product Center Message-Id: <200902061245.n16Cj4Fh023708@arcas.obspm.fr> To: igsmail@igscb.jpl.nasa.gov Subject: [IGSMAIL-5891]: Section 6 of Bulletin B 252 Sender: owner-igsmail Precedence: bulk ****************************************************************************** IGS Electronic Mail 06 Feb 04:45:08 PST 2009 Message Number 5891 ****************************************************************************** Author : IERS / PC INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE EARTH ORIENTATION PARAMETERS Section 6 of the Bulletin B 252 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 0.09 0.10 0.04 - 0.18 0.08 9 54805.27 to 54831.29 0.20 0.23 0.12 - 0.19 0.07 EOP(BKG) 8 R 2 0.08 0.09 0.03 - 0.14 0.06 8 54805.27 to 54831.29 0.14 0.09 0.04 - 0.16 0.07 EOP(BKG) 3 R 2 - - 0.08 - - - 28 54804.79 to 54833.80 - - 0.19 - - - EOP(USNO) 5 R 1 - - 0.09 - - - 28 54804.79 to 54833.80 - - 0.13 - - - EOP(GSFC) 8 R 4 0.10 0.13 0.05 - 0.21 0.09 9 54805.27 to 54831.29 0.13 0.12 0.04 - 0.08 0.06 EOP(GSFC) 8 R 1 - - 0.10 - - - 28 54804.79 to 54833.80 - - 0.13 - - - EOP(IAA) 5 R 2 0.09 0.12 0.05 - 0.15 0.06 9 54805.27 to 54831.29 0.15 0.16 0.05 - 0.16 0.04 EOP(IAA) 5 R 1 - - 0.11 - - - 23 54804.79 to 54833.80 - - 0.24 - - - EOP(SPBU) 3 R 3 0.10 0.11 0.04 - 0.22 0.09 9 54805.27 to 54831.29 0.20 0.21 0.12 - 0.15 0.10 EOP(MAO) 3 R 1 0.13 0.17 0.07 - 0.21 0.09 9 54805.29 to 54831.28 0.17 0.14 0.05 - 0.21 0.11 EOP(USNO) 6 R 2 0.12 0.15 0.06 - 0.23 0.10 9 54805.27 to 54831.29 0.15 0.10 0.03 - 0.10 0.02 EOP(GSFC) 8 R 1 - - 0.10 - - - 28 54804.79 to 54833.80 - - 0.13 - - - EOP(IVS) 2 R 1 0.04 0.05 0.01 - 0.10 0.05 8 54805.27 to 54831.29 0.08 0.10 0.04 - 0.12 0.05 GPS EOP(CODE) 98 P 1 0.01 0.01 - 0.05 - - 30 54804.50 to 54833.50 0.04 0.04 - 0.15 - - EOP(EMR) 96 P 3 0.03 0.03 - 0.06 - - 30 54804.50 to 54833.50 0.04 0.11 - 0.25 - - EOP(ESOC) 96 P 1 0.01 0.01 - 0.02 - - 30 54804.50 to 54833.50 0.14 0.06 - 0.30 - - EOP(GFZ) 96 P 2 0.00 0.00 - 0.01 - - 30 54804.50 to 54833.50 0.03 0.03 - 0.17 - - EOP(IAA) 1 P 1 0.03 0.03 - 0.06 - - 30 54804.50 to 54833.50 0.13 0.53 - 0.35 - - EOP(JPL) 96 P 3 0.01 0.01 - 0.05 - - 30 54804.50 to 54833.50 0.06 0.04 - 0.30 - - EOP(NOAA) 96 P 1 0.00 0.00 - 0.33 - - 30 54804.50 to 54833.50 0.12 0.09 - 0.18 - - EOP(SIO) 96 P 1 0.02 0.02 - 0.05 - - 30 54804.50 to 54833.50 0.06 0.06 - 0.34 - - EOP(IGS R)96 P 2 0.03 0.02 - 0.06 - - 30 54804.50 to 54833.50 0.04 0.03 - 0.09 - - EOP(IGS) 7 P 1 0.02 0.02 - 0.06 - - 30 54804.50 to 54833.50 0.02 0.02 - 0.10 - - SLR EOP(ASI) 3 L 2 0.09 0.09 - 0.23 - - 30 54804.50 to 54833.50 0.22 0.23 - 0.45 - - EOP(ILRS) 5 L 1 0.08 0.08 - 0.78 - - 29 54804.50 to 54833.50 0.23 0.19 - 0.45 - - EOP(IAA) 2 L 1 0.05 0.05 0.03 0.03 - - 31 54804.00 to 54834.00 0.26 0.21 0.24 0.24 - - EOP(MCC) 97 L 1 0.17 0.18 - 0.23 - - 31 54804.00 to 54834.00 0.21 0.21 - 1.07 - - Bulletin A EOP(NEOS) 97 C 1 0.04 0.04 0.10 - - - 31 54804.00 to 54834.00 0.04 0.04 0.05 - - -