Message-ID: <47BFC492.4050800@jpl.nasa.gov> Date: Fri, 22 Feb 2008 23:00:34 -0800 From: Robert Khachikyan User-Agent: Thunderbird 2.0.0.9 (Windows/20071031) To: igsmail@igscb.jpl.nasa.gov Subject: [IGSMAIL-5719]: New antenna calibration file igs05_1467.atx Content-Type: text/plain; charset="us-ascii" Sender: owner-igsmail Precedence: bulk ****************************************************************************** IGS Electronic Mail 22 Feb 23:00:51 PST 2008 Message Number 5719 ****************************************************************************** Author: Robert Khachikyan Dear IGS Colleagues, Please note that an update of the IGS antenna calibration file provided by Ralf Schmid is now posted at: ftp://igscb.jpl.nasa.gov/pub/station/general/igs05_1467.atx And as always the static link (below) always points to the latest .atx file: ftp://igscb.jpl.nasa.gov/pub/station/general/igs05.atx Summary to the changes are as follows: 1) The latest GLONASS-M satellites launched on 25 December 2007 have been added with preliminary z-offset values of 230.0 cm: R09 (R722) R11 (R723) R13 (R721) 2) According to the following sources R798 changed its orbital slot number from 19 to 22 in October/November 2007: http://gge.unb.ca/Resources/GLONASSConstellationStatus.txt http://russianforces.org/blog/2007/12/second_glonass_launch_of_2007.shtml In order to account for that, a "decommission date" for R22 (R791) has been added. Besides, there is a new file entry for R22 (R798) The date of changeover has been chosen to be the launch date of R19 (R720), i.e. 26 October 2007. Thus, there is the same "decommission date" for R19 (R798) and R22 (R791). Best Regards, --Robert Khachikyan IGS Central Bureau