Delivered-To: igsstation@igscb.jpl.nasa.gov Message-ID: <5ACEEE96F4F9D41190790002A528B51E07097775@S0-OTT-X11.NRCan.gc.ca> From: =?iso-8859-1?Q?=22Ferland=2C_R=E9mi=22?= To: "'igsstation@igscb.jpl.nasa.gov'" Subject: [IGSSTATION-352]: IGb00 Review - GOUG - YAKT Date: Mon, 31 Jan 2005 11:12:26 -0500 Content-Type: text/plain; charset="iso-8859-1" Sender: owner-igsstation Precedence: bulk ****************************************************************************** IGS Station Mail 31 Jan 08:12:34 PST 2005 Message Number 352 ****************************************************************************** Author: R. Ferland Dear IGS colleagues, Two weeks ago, I sent an e-mail suggesting to remove http://igscb.jpl.nasa.gov/mail/igsstation/2005/msg00013.html a number of stations from the reference frame realization including GOUG. > > GOUG > The weekly station estimated vertical coordinate > have been off recently by ~20-30mm. The most recent > GPS week vertical residual however is somewhat puzzling > at 4.4mm. This week is believed to be an "anomaly" > but time will tell. > I suggest to remove it. > More recent data has indicated that GOUG has resume more "normal" coordinates behaviour. Station # N-E H 1203 - 1302 GOUG 10 3.1 24.0 1303 - 1305 GOUG 3 3.2 7.7 I suggest to include it back. YAKT For the past two winters (~Wks 1205 & 1255), the station has been experiencing anomalous residuals for a few (~6) weeks. The effect was about 10m in the North and East components, the height component was affected to a lesser extent. This winter the station is also experiencing anomalous behaviour. This time, the effect is about 25-30 mm in all 3 components. The station has been temporarily removed from the final product since Wk 1300. Since the anomaly is worse than the previous years and do not show any sign of improvement, I suggest to remove it... at least until it resumes more "normal" behaviour. Best Regards, Remi,