Subject: information to complete IDS/ITRF2005
From: Jean-Jacques Valette <[email-masked]>
To: [email-masked]
Date: Thu, 15 Feb 2007 18:03:02 +0100

Dear colleagues

The following information should help in order to complete ITRF2005 for IDS 
sites.

1/ New IDS sites:
MIAB (since 05:079)
SCRB (since 05:114)
MALB (since 05:142)
NOWB(since 05:247)
RIKB (since 06:281)
BETB (since 06:295)

more details per station at
ftp://ftp.cls.fr/pub/ids/stations/events/sta_parsta.html

2/ Same IDS site, new stations:
Libreville      LIBB > LICB
Dionysos        DIOA > DIOB
Arequipa        AREB > ARFB
Hartebeeshtoek  HBKB > HBMB

with following ties (thanks Hervé for validation)
ftp://ftp.cls.fr/pub/ids/stations/DORIS_int_ties_20070214_TBC.txt

3/ Periods not to be used:
MATB (10/01/2006-01/05/2006) dorismail#453
DJIB (01/07/2000-26/06/2006) dorismail#454&456  - period open to discussion

more details per station at
ftp://ftp.cls.fr/pub/ids/stations/events/sta_parsta.html

4/ Eathquakes & discontinuities:
Eight earthquakes with mag > 6 and within 100 km of a DORIS station 
recorded at USGS between 2000 and 2007. But no apparent changes in ign or 
lca time series at that epochs
see also
ftp://ftp.cls.fr/pub/ids/stations/earthquakes/eq_mg6min_100kmmax_2000_2006.txt
ftp://ftp.cls.fr/pub/ids/stations/events/station_breaks.sinex

5/ Miscellaneous

One comment is that ITRF2005 IDS solution considers a discontinuity at 
New-Alesund in 2002. Not reported on IDS, origin?
" spib  A    1 D 00:000:00000 02:076:00000 P - Unknown
   spib  A    2 D 02:076:00000 00:000:00000 P - Unknown"

Ties between KESB/HERB and HELA/HELB are not included into ITRF2005-IDS 
(low accuracy?)

Thanks for comments and other inputs.

Best regards

Jean-Jacques

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