Changeset 11123 in ntrip for trunk/BNC/src/bnchelp.html

Timestamp:

Oct 23, 2026, 4:52:02 PM (7 days ago)

Author:

stuerze

Message:

A changed ANTEX file is read again while BNC is running and used from the GPS week given in it

File:

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

trunk/BNC/src/bnchelp.html

@@ -6399 +6399 @@
   </p>
   <p>
+    <b>Updated ANTEX file:</b> In real-time PPP, BNC checks once a minute whether the ANTEX file has changed (modification time or size)
+    and reads it again while running, once it has not changed for 30 seconds (copy finished). The new file is used from
+    the GPS week given in it on, i.e. the week of the SINEX code of its entries (e.g. 'IGS20_2437' for the file
+    igs20_2437.atx): if this week has already been reached by the processed epochs, the new file is used from the next
+    epoch on, otherwise it is kept and used from the first epoch of that week. The running attitude model states (e.g.
+    a noon turn) are taken over. A file that cannot be read is reported and the previous one kept. To provide a new
+    ANTEX file, overwrite the file given here (e.g. with a copy of the latest igs20_WWWW.atx), e.g.
+  </p>
+  <pre>
+ANTEX file /home/user/igs20.atx changed (GPS week 2440) - used from GPS week 2440 on
+ANTEX file re-read, used from now on (GPS week 2440): ANTEX file /home/user/igs20.atx: ...
+</pre>
+  <p>
     Whether the orbit corrections refer to the satellite's Antenna Phase Center (APC) or to its Center of Mass (CoM) is
     derived from the name of the correction stream or file: names beginning with 'SSRA' refer to the APC, the combined
@@ -9655 +9668 @@
     logfile, at most once per hour and satellite.
   </p>
+  <p>
+    <b>Updated ANTEX file:</b> In the combination, BNC checks once a minute whether the ANTEX file has changed (modification time or size)
+    and reads it again while running, once it has not changed for 30 seconds (copy finished). The new file is used from
+    the GPS week given in it on, i.e. the week of the SINEX code of its entries (e.g. 'IGS20_2437' for the file
+    igs20_2437.atx): if this week has already been reached by the processed epochs, the new file is used from the next
+    epoch on, otherwise it is kept and used from the first epoch of that week. The running attitude model states (e.g.
+    a noon turn) are taken over. A file that cannot be read is reported and the previous one kept. To provide a new
+    ANTEX file, overwrite the file given here (e.g. with a copy of the latest igs20_WWWW.atx), e.g.
+  </p>
+  <pre>
+bncComb: ANTEX file /home/user/igs20.atx changed (GPS week 2440) - used from GPS week 2440 on
+bncComb: ANTEX file re-read, used from now on (GPS week 2440): ANTEX file /home/user/igs20.atx: ...
+</pre>
   <p>
     The following screenshot shows the encoding and uploading of several Broadcast Ephemeris correction streams combined