Changeset 1289 in ntrip


Ignore:
Timestamp:
Dec 8, 2008, 2:30:13 PM (15 years ago)
Author:
weber
Message:

* empty log message *

Location:
trunk
Files:
2 edited

Legend:

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  • trunk/BNC/bnchelp.html

    r1285 r1289  
    642642</ul>
    643643<p>
    644 Note that in RTCM Version 2.x the message types 18 and 19 carry only the observables of one frequence. Hence it needs two type 18 and 19 messages to transport the observations from dual frequency receivers.
     644Note that in RTCM Version 2.x the message types 18 and 19 carry only the observables of one frequence. Hence it needs two type 18 and 19 messages per epoch to transport the observations from dual frequency receivers.
    645645</p>
    646646<p>
  • trunk/BNS/bnshelp.html

    r1288 r1289  
    220220<p><a name="co"><h4>4.6. Clocks & Orbits</h4></p>
    221221<p>
    222 BNS requires GNSS clocks and orbits in the IGS Earth-Centered-Earth-Fixed (ECEF) reference system in SP3 format. They can be provided by a real-time GNSS engine such as RTNet. In contrast to SP3, the incoming clocks must have been corrected for the 2nd-order relativistic effect. This is a priodic time correction defined as -2 (R * V) / c^2 and includes the scalar product of satallite position and velocity divided by the speed of light raised to the second power.
    223 </p>
    224 
    225 <p>
    226 The sampling rate should not be much greater than 10 sec. Note that otherwise in IP streaming involved tools on the NTRIP Broadcaster or client side may respond with a timeout.
     222BNS requires GNSS clocks and orbits in the IGS Earth-Centered-Earth-Fixed (ECEF) reference system in SP3 format. They can be provided by a real-time GNSS engine such as RTNet. The sampling rate should not be much greater than 10 sec. Note that otherwise in IP streaming involved tools on the NTRIP Broadcaster or client side may respond with a timeout.
    227223</p>
    228224
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