From jim.ray at noaa.gov Wed Feb 29 05:39:49 2012 From: jim.ray at noaa.gov (Jim.Ray) Date: Wed, 29 Feb 2012 08:39:49 -0500 Subject: [IGSMAIL-6548] Correction: about the BJNM station in Beijing In-Reply-To: <4F4E1607.1010809@noaa.gov> References: <73A2911F5FB14FE1A59F5B7B8FDB1AA6@DELL215> <4F4E1607.1010809@noaa.gov> Message-ID: <4F4E2AA5.3080807@noaa.gov> The actual antenna at BJNM is a NOV702GG, as reported in the RINEX headers. (The posted site log is outdated.) --Jim On 2/29/2012 7:11 AM, Jim.Ray wrote: > Author: Kun LIANG (forwarded by Jim Ray) > > The following information is forwarded for Dr. Liang due to the > current blockage of communications with JPL. MIT has been producing > BJNM results since GPS week 1646, which has yielded official IGS > coordinate results since then. However, because a minimum of 2 ACs > are needed for the clock combination, there have been no official > clock products for BJNM yet, which is of primary interest. The > station is equipped with a Septentrio POLARX3ETR receiver (GPS+ > GLONASS+SBAS) and PolaNT_G antenna. --Jim > > > -------- Original Message -------- > Subject: About BJNM site > Date: Tue, 28 Feb 2012 13:33:59 -0000 > From: LIANG Kun > > Dear Jim, > > Hello. > > Our site information is as follows. > > We have been uploading the Rinex data of this site to KASI (who transfer the > data to CDDIS) and SIO for a long period. Our site is a ?timing? station (the > receiver is referenced by the time scale UTC(NIM), the national time and > frequency metrology primary standard for China, realized by one hydrogen > maser steered to a clock ensemble including one cesium fountain). The site > log for this proposed IGS station is available at > > http://igscb.jpl.nasa.gov/igscb/station/pendinglogs/bjnm/bjnm_20100713.log > > For information of UTC(NIM), please see the Circular T published by BIPM. > > Thank you. > Kind regards, > > Kun Liang > NIM,China > > ================================================== > LIANG Kun > > Time Keeping Laboratory, Division of Time and Frequency Metrology, > National Institute of Metrology, NIM > No.18, Bei San Huan Dong Lu, Chaoyang Dist., Beijing, P.R.China, 100013 > > http://www.nim.ac.cn Email: liangk at nim.ac.cn Msn: njlinker at hotmail.com > > Tel:+86-10-64525228 Fax:+86-10-64214828 > ================================================== > >