Date: Wed, 1 Jul 2009 13:11:51 +0200 From: IERS EOP Product Center Message-Id: <200907011111.n61BBpnp030737@arcas.obspm.fr> To: igsmail@igscb.jpl.nasa.gov Subject: [IGSMAIL-5964]: Section 6 of Bulletin B 257 Sender: owner-igsmail Precedence: bulk ****************************************************************************** IGS Electronic Mail 01 Jul 04:12:15 PDT 2009 Message Number 5964 ****************************************************************************** Author : IERS / PC INTERNATIONAL EARTH ROTATION AND REFERENCE SYSTEMS SERVICE EARTH ORIENTATION PARAMETERS Section 6 of the Bulletin B 257 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 0.07 0.07 0.03 - 0.14 0.06 8 54956.21 to 54980.27 0.12 0.13 0.13 - 0.25 0.09 EOP(BKG) 8 R 2 0.07 0.07 0.02 - 0.11 0.05 8 54956.21 to 54980.27 0.27 0.16 0.09 - 0.16 0.05 EOP(BKG) 3 R 2 - - 0.10 - - - 30 54954.33 to 54982.33 - - 0.13 - - - EOP(USNO) 5 R 1 - - 0.09 - - - 30 54954.33 to 54982.33 - - 0.18 - - - EOP(GSFC) 8 R 4 0.06 0.06 0.02 - 0.12 0.05 8 54956.21 to 54980.27 0.09 0.13 0.08 - 0.04 0.06 EOP(GSFC) 8 R 1 - - 0.11 - - - 30 54954.33 to 54982.33 - - 0.18 - - - EOP(IAA) 5 R 2 0.06 0.07 0.03 - 0.12 0.05 8 54956.21 to 54980.27 0.11 0.17 0.12 - 0.08 0.11 EOP(IAA) 5 R 1 - - 0.11 - - - 28 54954.33 to 54982.33 - - 0.16 - - - EOP(SPBU) 3 R 3 0.07 0.08 0.03 - 0.15 0.07 8 54956.21 to 54980.27 0.12 0.21 0.15 - 0.26 0.08 EOP(USNO) 6 R 2 0.06 0.07 0.02 - 0.15 0.06 8 54956.21 to 54980.27 0.12 0.15 0.09 - 0.08 0.07 EOP(GSFC) 8 R 1 - - 0.11 - - - 30 54954.33 to 54982.33 - - 0.18 - - - EOP(IVS) 2 R 1 0.04 0.04 0.02 - 0.09 0.04 8 54956.21 to 54980.27 0.08 0.10 0.03 - 0.08 0.05 GPS EOP(CODE) 98 P 1 0.01 0.01 - 0.02 - - 30 54954.50 to 54983.50 0.04 0.02 - 0.10 - - EOP(EMR) 96 P 3 0.03 0.03 - 0.06 - - 30 54954.50 to 54983.50 0.06 0.08 - 0.16 - - EOP(ESOC) 96 P 1 0.01 0.01 - 0.02 - - 30 54954.50 to 54983.50 0.05 0.07 - 0.15 - - EOP(GFZ) 96 P 2 0.01 0.01 - 0.01 - - 30 54954.50 to 54983.50 0.04 0.02 - 0.27 - - EOP(IAA) 1 P 1 0.03 0.03 - 0.07 - - 30 54954.50 to 54983.50 0.12 0.21 - 0.22 - - EOP(JPL) 96 P 3 0.01 0.01 - 0.05 - - 30 54954.50 to 54983.50 0.04 0.05 - 0.13 - - EOP(NOAA) 96 P 1 0.00 0.00 - 0.36 - - 30 54954.50 to 54983.50 0.09 0.09 - 0.13 - - EOP(SIO) 96 P 1 0.02 0.02 - 0.05 - - 30 54954.50 to 54983.50 0.07 0.04 - 0.45 - - EOP(IGS R)96 P 2 0.03 0.03 - 0.05 - - 30 54954.50 to 54983.50 0.04 0.03 - 0.08 - - EOP(IGS) 7 P 1 0.02 0.02 - 0.05 - - 30 54954.50 to 54983.50 0.02 0.02 - 0.07 - - SLR EOP(ASI) 3 L 2 0.08 0.08 - 0.19 - - 30 54954.50 to 54983.50 0.27 0.21 - 0.70 - - EOP(ILRS) 5 L 1 0.06 0.06 - 0.60 - - 30 54954.50 to 54983.50 0.20 0.15 - 0.55 - - EOP(IAA) 2 L 1 0.04 0.04 0.02 0.02 - - 31 54954.00 to 54984.00 0.22 0.33 0.28 0.15 - - EOP(MCC) 97 L 1 0.14 0.16 - 0.15 - - 31 54954.00 to 54984.00 0.19 0.27 - 2.55 - - Bulletin A EOP(NEOS) 97 C 1 0.03 0.04 0.06 - - - 31 54954.00 to 54984.00 0.04 0.04 0.10 - - -