Changeset 2327 in ntrip for trunk/BNS/bnshelp.html


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Timestamp:
Feb 24, 2010, 1:26:50 PM (14 years ago)
Author:
weber
Message:

* empty log message *

File:
1 edited

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  • trunk/BNS/bnshelp.html

    r2321 r2327  
    338338<li>IGS05 which stands for the GNSS-based IGS realization of the International Terrestrial Reference Frame 2005 (ITRF2005), and</li>
    339339<li>ETRF2000 which stands for the European Terestrial Reference Frame 2000 adopted by EUREF, and</li>
     340<li>NAD83 which stands for the North American Datum 1983 as adopted for the U.S.A., and</li>
    340341<li>'Custom' which allows a transformation of Broadcast Corrections from the IGS05 system to any other system through specifying up to 14 Helmert Transformation Parameters.</li>
    341342</ul>
     
    345346<u>IGS05:</u> As the clocks and orbits coming from real-time GNSS engine are expected to be in the IGS05 system, no transformation is carried out if this option is selected.
    346347</p>
     348
    347349<p>
    348350<u>ETRF2000:</u> The formulars for the transformation 'ITRF2005-&gt;ETRF2000' are taken from 'Claude Boucher and Zuheir Altamimi 2008: Specifications for reference frame fixing in the analysis of EUREF GPS campaign', see <u>http://etrs89.ensg.ign.fr/memo-V7.pdf</u>. The following 14 Helmert Transformation Parameters were introduced:
     
    367369</pre>
    368370</p>
     371
     372<p>
     373<u>NAD83:</u>Parameters for the transformation 'ITRF2005-&gt;NAD83' are taken from <u> http://www.ngs.noaa.gov/CORS/metadata1/</u>, see section 'ITRF00 --> NAD83 (CORS96)'.
     374</p>
     375<p>
     376<pre>
     377Translation in X at epoch To:  0.9956 m
     378Translation in Y at epoch To: -1.9013 m
     379Translation in Z at epoch To: -0.5215 m
     380Translation rate in X:  0.0007 m/y
     381Translation rate in Y: -0.0007 m/y
     382Translation rate in Z:  0.0005 m/y
     383Rotation in X at epoch To: 25.915 mas
     384Rotation in Y at epoch To:  9.426 mas
     385Rotation in Z at epoch To: 11.599 mas
     386Rotation rate in X:  0.067 mas/y
     387Rotation rate in Y: -0.757 mas/y
     388Rotation rate in Z: -0.051 mas/y
     389Scale at epoch To : 0.00000000062
     390Scale rate: -0.00000000018 /y
     391To: 1997.0
     392</pre>
     393</p>
     394
     395
    369396<p>
    370397<u>Custom:</u> The default numbers shown as examples are those for a transformation from ITRF2005 to ETRF2000'.
     
    672699<tr><td>outFile_2=/home/weber/rinex/CLCK2</td><td>Broadcast Corrections II: Save (full path)</td></tr>
    673700<tr><td>CoM_2=0</td><td>Broadcast Corrections II: Center of Mass</td></tr>
     701
    674702<tr><td>outHost3=www.igs-.net</td><td>Broadcast Corrections III: Host</td></tr>
    675703<tr><td>outPort3=2101</td><td>Broadcast Corrections III: Port</td></tr>
     
    679707<tr><td>outFile_3=/home/weber/rinex/CLCK3</td><td>Broadcast Corrections III: Save (full path)</td></tr>
    680708<tr><td>CoM_3=0</td><td>Broadcast Corrections III: Center of Mass</td></tr>
     709
     710<tr><td>outHost4=www.igs-.net</td><td>Broadcast Corrections IV: Host</td></tr>
     711<tr><td>outPort4=2101</td><td>Broadcast Corrections IV: Port</td></tr>
     712<tr><td>mountpoint_4=CLCK4</td><td>Broadcast Corrections IV: Mountpoint</td></tr>
     713<tr><td>password4=pw</td><td>Broadcast Corrections IV: Password</td></tr>
     714<tr><td>refSys_4=ETRF2000</td><td>Broadcast Corrections IV: System</td></tr>
     715<tr><td>outFile_4=/home/weber/rinex/CLCK4</td><td>Broadcast Corrections IV: Save (full path)</td></tr>
     716<tr><td>CoM_4=0</td><td>Broadcast Corrections IV: Center of Mass</td></tr>
     717
     718<tr><td>outHost5=www.igs-.net</td><td>Broadcast Corrections V: Host</td></tr>
     719<tr><td>outPort5=2101</td><td>Broadcast Corrections V: Port</td></tr>
     720<tr><td>mountpoint_5=CLCK5</td><td>Broadcast Corrections V: Mountpoint</td></tr>
     721<tr><td>password5=pw</td><td>Broadcast Corrections V: Password</td></tr>
     722<tr><td>refSys_5=ETRF2000</td><td>Broadcast Corrections V: System</td></tr>
     723<tr><td>outFile_5=/home/weber/rinex/CLCK5</td><td>Broadcast Corrections V: Save (full path)</td></tr>
     724<tr><td>CoM_5=0</td><td>Broadcast Corrections V: Center of Mass</td></tr>
     725
     726<tr><td>outHost6=www.igs-.net</td><td>Broadcast Corrections VI: Host</td></tr>
     727<tr><td>outPort6=2101</td><td>Broadcast Corrections VI: Port</td></tr>
     728<tr><td>mountpoint_6=CLCK6</td><td>Broadcast Corrections VI: Mountpoint</td></tr>
     729<tr><td>password6=pw</td><td>Broadcast Corrections VI: Password</td></tr>
     730<tr><td>refSys_6=ETRF2000</td><td>Broadcast Corrections VI: System</td></tr>
     731<tr><td>outFile_6=/home/weber/rinex/CLCK6</td><td>Broadcast Corrections VI: Save (full path)</td></tr>
     732<tr><td>CoM_6=0</td><td>Broadcast Corrections VI: Center of Mass</td></tr>
     733
    681734<tr><td>outHostEph=www.igs-ip.net</td><td>Broadcast Ephemeris: Host</td></tr>
    682735<tr><td>outPortEph=2101</td><td>Broadcast Ephemeris: Port</td></tr>
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