************************************************************************
IERS Message No. 338                                       July 28, 2017
************************************************************************


IERS Technical Note on surveying reference points at co-location sites


Dear colleagues,

We have the pleasure to announce to the community the availability of an
IERS Technical Note describing "IGN best practice for surveying
instrument reference points at co-location sites", available at the
following link:

https://www.iers.org/TN39

This document aims at summarizing the IGN best practice to perform local
tie survey measurements, process and archive associated data and
results. It was initially written for IGN internal use but has been
reorganized to be available to any person or group who wish to learn
from our experience in surveying multi-technique sites.

Cordially
Zuheir Altamimi
Head, ITRS Center


************************************************************************
IERS Messages are edited and distributed by the IERS Central Bureau.
If not stated otherwise, the IERS is only the distributor of the message
and is not responsible for its content.
To submit texts for distribution and to subscribe or unsubscribe,
please write to <central_bureau@iers.org>.
Archives: http://www.iers.org/Messages/
************************************************************************