Changeset 1889 in ntrip

Timestamp:

Sep 22, 2009, 4:24:55 AM (15 years ago)

Author:

weber

Message:

* empty log message *

File:

• trunk/BNC/bnchelp.html (modified) (1 diff)

trunk/BNC/bnchelp.html

@@ -414 +414 @@
 
 <p>
-Orbit corrections are provided in along-track, cross-track and radial components. These components are defined in the Earth-centered, Earth-fixed reference frame of the broadcast ephemerides. For an observer in this frame, the along-track component is parallel to the velocity vector and the cross-track component is perpendicular to the plane defined by the radial and along-track directions. The three components form a right-handed orthogonal system.
+Orbit corrections are provided in along-track, cross-track and radial components. These components are defined in the Earth-centered, Earth-fixed reference frame of the broadcast ephemerides. For an observer in this frame, the along-track component is aligned in both direction and sign with the velocity vector, the cross-track component is perpendicular to the plane defined by the satellite position and velocity vectors, and the radial direction is perpendicular to the along track and cross-track ones. The three components form a right-handed orthogonal system.
 </p>