Changeset 11102 in ntrip for trunk/BNC/src/bnchelp.html

Timestamp:

Oct 21, 2026, 1:56:26 AM (6 days ago)

Author:

stuerze

Message:

minor changes

File:

• trunk/BNC/src/bnchelp.html (modified) (3 diffs)

trunk/BNC/src/bnchelp.html

@@ -5028 +5028 @@
     Antenna IOD is GNSS-specific, so the same Metadata entries serve as the trust anchor for every GNSS. In
     addition, since a Satellite Antenna IOD is only guaranteed unique within a rolling 64-day period, BNC discards
-    any Satellite Antenna correction that is 64 days or older, even if its IOD would otherwise still match, and
-    falls back to using ANTEX-based satellite antenna corrections instead.
+    any Satellite Antenna correction that is 64 days or older, even if its IOD would otherwise still match. If the
+    referenced Satellite Antenna information is not available or not trusted for a satellite, the satellite is
+    excluded. ANTEX is never used for the satellite antenna with new RTCM-SSR: without a Metadata reference, no
+    satellite antenna correction is applied at all, because orbits, clocks and biases refer to the provider's point
+    on the nadir axis and form a consistent set. The receiver antenna is corrected with ANTEX as usual.
   </p>
   <p>
@@ -8530 +8533 @@
   <p>
     Specify the reference signals of the satellite clocks per GNSS as '&lt;system&gt;:&lt;band&gt;&lt;attribute&gt;&amp;&lt;band&gt;&lt;attribute&gt;',
-    separated by blanks, e.g. 'C:1P&amp;5P J:1C&amp;5Q'. The clocks refer to the ionosphere-free linear combination of
+    separated by blanks, e.g. 'C:1X&amp;5X J:1C&amp;5Q'. The clocks refer to the ionosphere-free linear combination of
     the code signals of these two signals. Systems not specified keep the default of the IGS Real-Time Committee:
   </p>
@@ -8553 +8556 @@
   <p>
     Changing the reference signals is meant for a coordinated switch of the IGS Real-Time convention, e.g. for BDS from
-    C2I/C6I to C1P/C5P (B1C/B2a) following the IGS products, or for QZSS to an L1/L5 pair because the QZSS Block III
+    C2I/C6I to C1X/C5X (B1C/B2a data+pilot) following the IGS products - note that IGS-SSR cannot carry the BDS signals 1X/5X (signal IDs reserved), so that ACs would have to provide them in RTCM-SSR -, or for QZSS to an L1/L5 pair because the QZSS Block III
     satellites no longer transmit L2. All ACs of a combination should then provide the code biases of the new reference
     signals. A switch changes the combined clocks of the affected satellites by the ionosphere-free combination of the