<br><font size=2 face="sans-serif">Author: Simon Edwards</font>
<br>
<br><font size=2 face="sans-serif">IGS station </font><font size=3>CHTI
(Chatham Island North</font><font size=2 face="sans-serif">) was upgraded
to a Trimble NetR9 GNS+GLONASS receiver at 01:24 UT on 5th April 2011.
The Zephyr Geodetic II antenna remains unchanged. An updated
site log has been sent to the IGS. </font>
<br>
<br><font size=2 face="sans-serif">We have occupied a temporary site close
to CHTI before and after this exchange to help calibrate any offset in
the time series. We will send a further update to this list when
this data is available.</font>
<br>
<br><font size=2 face="sans-serif">Cheers,</font>
<br><font size=2 face="sans-serif">Simon</font>
<br>
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