Changeset 3889 in ntrip

Timestamp:

Apr 16, 2012, 11:30:14 AM (12 years ago)

Author:

weber

Message:

Transformation parameters to ETRF2000 updated

File:

• trunk/BNC/bnchelp.html (modified) (2 diffs)

trunk/BNC/bnchelp.html

@@ -1761 +1761 @@
 
 <p>
-<u>ETRF2000:</u> The formulars for the transformation 'ITRF2005-&gt;ETRF2000' are taken from 'Claude Boucher and Zuheir Altamimi 2008: Specifications for reference frame fixing in the analysis of EUREF GPS campaign', see <u>http://etrs89.ensg.ign.fr/memo-V7.pdf</u>. The following 14 Helmert Transformation Parameters were introduced:
+<u>ETRF2000:</u> The formulars for the transformation 'ITRF2005-&gt;ETRF2000' are taken from 'Claude Boucher and Zuheir Altamimi 2008: Specifications for reference frame fixing in the analysis of EUREF GPS campaign', see <u>http://etrs89.ensg.ign.fr/memo-V8.pdf</u>. The following 14 Helmert Transformation Parameters were introduced:
 </p>
 <p>
 <pre>
-Translation in X at epoch To:  0.0541 m
-Translation in Y at epoch To:  0.0502 m
-Translation in Z at epoch To: -0.0538 m
-Translation rate in X: -0.0002 m/y
+Translation in X at epoch To:  0.0521 m
+Translation in Y at epoch To:  0.0493 m
+Translation in Z at epoch To: -0.0585 m
+Translation rate in X:  0.0001 m/y
 Translation rate in Y:  0.0001 m/y
 Translation rate in Z: -0.0018 m/y
@@ -1777 +1777 @@
 Rotation rate in Y:  0.490 mas/y
 Rotation rate in Z: -0.792 mas/y
-Scale at epoch To : 0.00000000040
+Scale at epoch To : 0.00000000134
 Scale rate: 0.00000000008 /y
 To: 2000.0