Delivered-To: igsmail@igscb.jpl.nasa.gov Date: Wed, 30 Mar 2005 14:37:49 +0200 (CEST) From: Thomas Nischan To: igsmail@igscb.jpl.nasa.gov Subject: [IGSMAIL-5128]: GLONASS combination resubmissions 1309-1312 Message-ID: Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-igsmail Precedence: bulk ****************************************************************************** IGS Electronic Mail 30 Mar 04:37:53 PST 2005 Message Number 5128 ****************************************************************************** Author: AC Coordinator / GFZ Potsdam dear glonass community, many thanks to tim springer, he figured out a problem in the distributed glonass clock solution for the week 1312 which was caused by a bug in filtering glonass navigation inputs. erroneous navigation positions caused errors applying radial orbit difference (to combined orbit) clock corrections to the broadcast clocks. in the new combination scheme this correction to the broadcast clocks is omitted and they are kept as they are. we have decided to redo/resubmit the combination from weeks 1309-1312. kind regards ---------------------------------------------------------------------------- _/_/_/ _/_/_/_/_/ Thomas Nischan mail : nisn@gfz-potsdam.de _/ _/ _/ GeoForschungsZentrum Potsdam fax : +49 331 2881759 _/ _/_/_/_/ _/ Telegrafenberg A17/PB1.1 phone: +49 331 2881756 _/ _/ _/ _/ 14473 Potsdam _/_/_/ _/ _/_/_/ Germany ----------------------------------------------------------------------------