CHAT Station Information - Site Page
Station Log
DOMES Number
Data Center

CHAT Quality

Daily RINEX2 observations

Receiver + Firmware


RINEX2 Cycle Slips

RINEX2 RMS Multipath

RINEX2 Latency


The residual plots show the differences between weekly station position estimates (from the weekly IGS combined solutions) and the latest IGS cumulative solution piecewise linear [+post-seismic deformation] model. For more information on the IGS cumulative solution please see:

CHAT Email Advisories
Email Date Sender Subject
0055362015/11/29Elisabetta D'Anas CHAT: wrong antenna code from 2001 to 2012
0004372012/06/12John Beavan CHAT IGS site discontinued
0040622012/06/12Robert Khachikyan Re: [IGSMAIL-6603] CHAT IGS site discontinued
0004392012/06/12Robert Khachikyan Re: CHAT IGS site discontinued
0039082012/02/24John Beavan CHAT not transmitting data
0029942010/07/20John Beavan Problems at CHAT resolved
0029892010/07/18John Beavan Problems at CHAT
0029452010/06/23Tom Bell CHAT: comms outage
0028952010/05/22John Beavan CHAT & CHTI - important message for IGS analysis centers
0070182007/10/02John Beavan Proposed changes at CHAT - Chatham Islands, NZ
0011682007/03/07John Beavan Delay in CHAT data
0055082002/10/30John Beavan Late and missing data from CHAT
0052812002/05/28John Beavan CHAT is going again
0052752002/05/27John Beavan CHAT temporarily down
0051252002/02/21John Beavan CHAT back on line
0050412002/01/03John Beavan CHAT data backlog
0049852001/11/27John Beavan CHAT receiver upgrade
0036441999/05/19John CHAT firmware upgrade
0035641999/03/05John CHAT site log update
0034321998/11/09John CHAT resubmission
0030921997/10/31John AUCK and CHAT site logs
0029611997/04/26John CHAT data
0027971996/09/07John CHAT data
The Central Bureau is sponsored by the National Aeronautics and Space Administration (NASA) and managed for NASA by the Jet Propulsion Laboratory of the California Institute of Technology.