Date: Tue, 4 Nov 2008 11:32:33 +0100 From: EOP Product Center Message-Id: <200811041032.mA4AWXpI023447@callisto.obspm.fr> To: igsmail@igscb.jpl.nasa.gov Subject: [IGSMAIL-5851]: Section 6 of Bulletin B 249 Sender: owner-igsmail Precedence: bulk ****************************************************************************** IGS Electronic Mail 04 Nov 02:32:36 PST 2008 Message Number 5851 ****************************************************************************** Author : IERS / PC INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE EARTH ORIENTATION PARAMETERS Section 6 of the Bulletin B 249 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 - 0.16 0.07 9 54714.27 to 54742.27 0.40 0.31 0.06 - 0.21 0.14 EOP(BKG) 3 R 4 0.07 0.07 0.03 - 0.13 0.05 9 54714.27 to 54742.27 0.13 0.13 0.08 - 0.20 0.09 EOP(BKG) 3 R 2 - - 0.12 - - - 33 54714.80 to 54743.33 - - 0.14 - - - EOP(USNO) 5 R 1 - - 0.19 - - - 33 54714.80 to 54743.33 - - 0.15 - - - EOP(GSFC) 8 R 4 0.17 0.35 0.07 - 0.30 0.13 10 54714.27 to 54742.27 0.12 0.10 0.07 - 0.13 0.06 EOP(GSFC) 6 R 1 - - 0.20 - - - 33 54714.80 to 54743.33 - - 0.14 - - - EOP(IAA) 5 R 2 0.06 0.06 0.02 - 0.11 0.05 9 54714.27 to 54742.27 0.13 0.16 0.04 - 0.18 0.06 EOP(IAA) 5 R 1 - - 0.13 - - - 32 54714.80 to 54743.33 - - 0.16 - - - EOP(SPBU) 3 R 3 0.09 0.09 0.03 - 0.18 0.07 9 54714.27 to 54742.27 0.22 0.17 0.07 - 0.30 0.08 EOP(MAO) 3 R 1 0.07 0.07 0.03 - 0.13 0.05 9 54714.31 to 54742.28 0.18 0.13 0.05 - 0.23 0.11 EOP(USNO) 6 R 2 0.06 0.07 0.02 - 0.15 0.06 9 54714.27 to 54742.27 0.10 0.13 0.07 - 0.10 0.09 EOP(IVS) 2 R 1 0.03 0.03 0.01 - 0.07 0.03 9 54714.27 to 54742.27 0.21 0.16 0.06 - 0.11 0.05 GPS EOP(CODE) 98 P 1 0.01 0.01 - 0.06 - - 30 54714.50 to 54743.50 0.03 0.05 - 0.10 - - EOP(EMR) 96 P 3 0.03 0.03 - 0.06 - - 30 54714.50 to 54743.50 0.08 0.10 - 0.11 - - EOP(ESOC) 96 P 1 0.09 0.08 - 0.02 - - 30 54714.50 to 54743.50 0.04 0.04 - 0.09 - - EOP(GFZ) 96 P 2 0.00 0.00 - 0.01 - - 30 54714.50 to 54743.50 0.02 0.03 - 0.17 - - EOP(IAA) 1 P 1 0.03 0.04 - 0.07 - - 30 54714.50 to 54743.50 0.23 0.34 - 0.43 - - EOP(JPL) 96 P 3 0.01 0.01 - 0.07 - - 30 54714.50 to 54743.50 0.04 0.04 - 0.24 - - EOP(NOAA) 96 P 1 0.00 0.00 - 0.40 - - 30 54714.50 to 54743.50 0.05 0.07 - 0.15 - - EOP(SIO) 96 P 1 0.02 0.02 - 0.05 - - 30 54714.50 to 54743.50 0.02 0.03 - 0.24 - - EOP(IGS R)96 P 2 0.02 0.02 - 0.05 - - 30 54714.50 to 54743.50 0.03 0.03 - 0.06 - - EOP(IGS) 7 P 1 0.02 0.02 - 0.05 - - 30 54714.50 to 54743.50 0.01 0.01 - 0.05 - - SLR EOP(ASI) 3 L 2 0.07 0.07 - 0.16 - - 30 54714.50 to 54743.50 0.19 0.18 - 0.45 - - EOP(ILRS) 5 L 1 0.04 0.04 - 0.37 - - 30 54714.50 to 54743.50 0.12 0.11 - 0.26 - - EOP(IAA) 2 L 1 0.03 0.04 0.02 0.02 - - 31 54714.00 to 54744.00 0.14 0.27 0.27 0.20 - - EOP(MCC) 97 L 1 0.15 0.15 - 0.24 - - 31 54714.00 to 54744.00 0.11 0.10 - 2.22 - - Bulletin A EOP(NEOS) 97 C 1 0.04 0.04 0.05 - - - 31 54714.00 to 54744.00 0.05 0.04 0.12 - - -