Changeset 2627 in ntrip

Timestamp:

Oct 28, 2010, 9:53:08 AM (14 years ago)

Author:

weber

Message:

Consider correct validity of ephemeris sets

File:

• trunk/BNC/todo.txt (modified) (2 diffs)

trunk/BNC/todo.txt

@@ -3 +3 @@
 BNS
 =========================
+(1) One would expect that a new ephemeris set always comes with a later validity
+time tag than a previously distributed ephemeris set. However, this is not always true.
+Sometimes new ephemeris sets come with a validity time tag which is earlier than the
+validity time tag of a previously distributed ephemeris set. This is something
+we should consider in BNS. Gerhard observed that we dont consider this right
+now. The consequence is that a satellite gets lost for PPP clients because
+they deal with another ephemeris set than the correctors provided by
+BNS.
 
 BNC
@@ -18 +26 @@
 5. The Age of Differential GPS data field is not populated. I believe here the
 age of RTCM SSR data should be put.
+
 (2) BNC has a problem when the observation update rate is > 1Hz. Records get
 mixed then in the RINEX files. A 10 Hz stream to test the situation is