Changeset 2824 in ntrip


Ignore:
Timestamp:
Dec 21, 2010, 10:33:16 PM (13 years ago)
Author:
weber
Message:

PPP section modified

File:
1 edited

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  • trunk/BNC/bnchelp.html

    r2821 r2824  
    181181&nbsp; &nbsp; &nbsp; 3.11.2.2 <a href=#ppptropo>Estimate Tropo</a><br>
    182182&nbsp; &nbsp; &nbsp; 3.11.2.3 <a href=#pppglo>Use GLONASS</a><br>
    183 &nbsp; &nbsp; &nbsp; 3.11.2.4 <a href=#pppplot>PPP Plot</a><br>
     183&nbsp; &nbsp; &nbsp; 3.11.2.4 <a href=#pppgal>Use Galileo</a><br>
    184184&nbsp; &nbsp; &nbsp; 3.11.3 <a href=#pppoptcont>Options cont'd</a><br>
    185185&nbsp; &nbsp; &nbsp; 3.11.3.1 <a href=#pppsigcp>Sigma Code/Phase</a><br>
    … …  
    191191&nbsp; &nbsp; &nbsp; 3.11.4.3 <a href=#pppsigtrpi>Tropo Init</a><br>
    192192&nbsp; &nbsp; &nbsp; 3.11.4.4 <a href=#pppsigtrpn>Tropo White Noise</a><br>
    193 &nbsp; &nbsp; &nbsp; 3.11.5 <a href=#pppnmeaout>NMEA</a><br>
    194 &nbsp; &nbsp; &nbsp; 3.11.5.1 <a href=#pppnmeafile>File</a><br>
    195 &nbsp; &nbsp; &nbsp; 3.11.5.2 <a href=#pppnmeaport>Port</a><br>
     193&nbsp; &nbsp; &nbsp; 3.11.5 <a href=#pppout>Output</a><br>
     194&nbsp; &nbsp; &nbsp; 3.11.5.1 <a href=#pppnmeafile>NMEA File</a><br>
     195&nbsp; &nbsp; &nbsp; 3.11.5.2 <a href=#pppnmeaport>NMEA Port</a><br>
     196&nbsp; &nbsp; &nbsp; 3.11.5.3 <a href=#pppplot>PPP Plot</a><br>
    196197&nbsp; &nbsp; &nbsp; 3.11.6 <a href=#pppsync>Sync Corr</a><br><br>
    1971983.12. <a href=#streams>Streams</a><br>
    … …  
    10681069More detailed PPP results are saved in BNC's logfile. Depending on the selected processing options you find
    10691070<ul>
    1070 <li>code and phase residuals for GPS and GLONASS in [m], </li>
     1071<li>code and phase residuals for GPS and GLONASS and Galileo in [m], </li>
    10711072<li>receiver clock errors in [m], </li>
    10721073<li>a-priori and correction values of tropospheric zenith delay in [m],
     1074<li>time offset between GPS time and Galileo time,
    10731075<li>L3 biases, also known as 'floated ambiguities', given per satellite.
    10741076</ul>
    1075 These parameters are saved together with their standard deviation. Example extract from a log file:
     1077These parameters are saved together with their standard deviation. The following is an example extract from a log file when BNC was in 'Single Point Positioning' (SPP) mode:
    10761078<pre>
    1077 10-08-09 06:04:11 Single Point Positioning of Epoch 06:04:09.0
     107910-12-06 18:10:50 Single Point Positioning of Epoch 18:10:48.0
    10781080--------------------------------------------------------------
    1079 residuals code     0.386    0.175   -0.378    0.032   -0.103   -2.409   -0.488   -0.576
    1080 residuals phase   -0.007   -0.001    0.002    0.002   -0.007   -0.005    0.006    0.007
    1081 residuals glo      0.015   -0.004    0.006
    1082 
    1083     clk     = 68260.392 +-  1.353
    1084     trp     =   2.331 -0.006 +-  0.100
    1085     amb G02 = -0.974 +-  0.809
    1086     amb G10 =  3.250 +-  0.720
    1087     amb G26 = -5.192 +-  0.911
    1088     amb G28 = -0.741 +-  0.909
    1089     amb G08 =  1.317 +-  0.719
    1090     amb G05 = -1.928 +-  0.742
    1091     amb G07 =  4.887 +-  0.853
    1092     amb G13 = -1.190 +-  1.221
    1093     amb R07 = -145.700 +-  0.717
    1094     amb R08 = -140.476 +-  0.939
    1095     amb R10 = -128.820 +-  0.710
    1096 
     108118:10:48.0 RES G04   L3    0.0165   P3   -0.1250
     108218:10:48.0 RES G11   L3    0.0150   P3    0.7904
     108318:10:48.0 RES G13   L3    0.0533   P3    0.4854
     108418:10:48.0 RES G17   L3   -0.0277   P3    1.2920
     108518:10:48.0 RES G20   L3   -0.0860   P3   -0.1186
     108618:10:48.0 RES G23   L3    0.0491   P3   -0.1052
     108718:10:48.0 RES G31   L3    0.0095   P3   -3.2929
     108818:10:48.0 RES G32   L3    0.0183   P3   -3.8800
     108918:10:48.0 RES R05   L3   -0.0077
     109018:10:48.0 RES R06   L3    0.0223
     109118:10:48.0 RES R15   L3   -0.0020
     109218:10:48.0 RES R16   L3    0.0156
     109318:10:48.0 RES R20   L3   -0.0247
     109418:10:48.0 RES R21   L3    0.0014
     109518:10:48.0 RES R22   L3   -0.0072
     109618:10:48.0 RES E52   L3   -0.0475   P3   -0.1628
     109718:10:48.0 RES G04   L3    0.0166   P3   -0.1250
     109818:10:48.0 RES G11   L3    0.0154   P3    0.7910
     109918:10:48.0 RES G13   L3    0.0535   P3    0.4855
     110018:10:48.0 RES G17   L3   -0.0272   P3    1.2925
     110118:10:48.0 RES G20   L3   -0.0861   P3   -0.1188
     110218:10:48.0 RES G23   L3    0.0489   P3   -0.1055
     110318:10:48.0 RES G31   L3    0.0094   P3   -3.2930
     110418:10:48.0 RES G32   L3    0.0183   P3   -3.8800
     110518:10:48.0 RES R05   L3   -0.0079
     110618:10:48.0 RES R06   L3    0.0223
     110718:10:48.0 RES R15   L3   -0.0020
     110818:10:48.0 RES R16   L3    0.0160
     110918:10:48.0 RES R20   L3   -0.0242
     111018:10:48.0 RES R21   L3    0.0016
     111118:10:48.0 RES R22   L3   -0.0072
     111218:10:48.0 RES E52   L3   -0.0474   P3    0.1385
     1113
     1114    clk     =  64394.754 +-  0.045
     1115    trp     =   2.185 +0.391 +-  0.001
     1116    offset  =   -415.400 +-  0.137
     1117    amb G17 =     11.942 +-  0.045
     1118    amb G23 =    248.892 +-  0.044
     1119    amb G31 =    254.200 +-  0.045
     1120    amb G11 =    -12.098 +-  0.044
     1121    amb G20 =   -367.765 +-  0.044
     1122    amb G04 =    259.588 +-  0.044
     1123    amb E52 =      6.124 +-  0.130
     1124    amb G32 =    201.496 +-  0.045
     1125    amb G13 =   -265.658 +-  0.044
     1126    amb R22 =   -106.246 +-  0.044
     1127    amb R21 =   -119.605 +-  0.045
     1128    amb R06 =     41.328 +-  0.044
     1129    amb R15 =    163.453 +-  0.044
     1130    amb R20 =   -532.746 +-  0.045
     1131    amb R05 =   -106.603 +-  0.044
     1132    amb R16 =   -107.830 +-  0.044
    10971133</pre>
    10981134</p>
    … …  
    11401176</p>
    11411177<p>
    1142 Once XYZ coordinate components are defined, the 'PPP' line in BNC's logfile is extended by Nort, East and Up desplacements to (example):
     1178Once XYZ coordinate components are defined, the 'PPP' line in BNC's logfile is extended by Nort, East and Up displacements to (example):
    11431179</p>
    11441180<pre>
    … …  
    11721208<p><a name="pppglo"><h4>3.11.2.3 Use GLONASS - optional</h4></p>
    11731209<p>
    1174 By default BNC does not process GLONASS observations when in Point Positioning mode. Tick 'Use GLONASS' to use GPS and GLONASS observations for estimating coordinates in Point Positioning mode.
    1175 </p>
    1176 
    1177 <p><a name="pppplot"><h4>3.11.2.4 PPP Plot - optional</h4></p>
    1178 <p>
    1179 PPP time series of North (red), East(green) and Up (blue) coordinate components will be plotted in the 'PPP Plot' tab when this option ticked. Values will be either referred to an XYZ reference coordinate (if specified) or referred to the first estimated XYZ coordinate. The sliding PPP time series window will cover the period of the latest 5 minutes.
    1180 </p>
    1181 <p>
    1182 Note that a PPP time series makes only sense for a stationary operated receiver.
     1210By default BNC does not process GLONASS but only GPS observations when in Point Positioning mode. Tick 'Use GLONASS' to use GLONASS observations in addition to GPS (and Galileo if specified) for estimating coordinates in Point Positioning mode.
     1211</p>
     1212
     1213<p><a name="pppgal"><h4>3.11.2.4 Use Galileo - optional</h4></p>
     1214<p>
     1215By default BNC does not process Galileo but only GPS observations when in Point Positioning mode. Tick 'Use Galileo' to use Galileo observations in addition to GPS (and GLONASS if specified) for estimating coordinates in Point Positioning mode.
    11831216</p>
    11841217
    … …  
    12091242
    12101243<p><img src=":bnchelp/screenshot17.png"/></p>
    1211 <p><u>Figure:</u> BNC in 'Quick-Start - Static' mode</p>
     1244<p><u>Figure:</u> BNC in 'Quick-Start' mode</p>
    12121245
    12131246<p><a name="pppaverage"><h4>3.11.3.3 Averaging - optional if XYZ is set</h4></p>
    … …  
    12491282</p>
    12501283
    1251 <p><a name="pppnmeaout"><h4>3.11.5 NMEA</h4></p>
    1252 <p>
    1253 BNC allows to output results from Precise Point Positioning in NMEA format. The NMEA sentences generated about once per second are pairs of
     1284<p><a name="pppout"><h4>3.11.5 Output - optional</h4></p>
     1285<p>
     1286BNC allows to output results from Precise Point Positioning in NMEA format or as a time series plot of displacements.
     1287</p>
     1288
     1289<p><a name="pppnmeafile"><h4>3.11.5.1 NMEA File - optional</h4></p>
     1290<p>
     1291The NMEA sentences generated about once per second are pairs of
    12541292<ul>
    12551293<li> GPGGA sentences which mainly carry the estimated latitude, longitude, and height values, plus</li>
    … …  
    12581296</p>
    12591297<p>
    1260 Note that Tomoji Takasu has written a Windows program called RTKPlot for visualizing NMEA strings. It is available from <u>http://gpspp.sakura.ne.jp/rtklib/rtklib.htm</u> and compatible with the NMEA output of BNC's PPP option.
    1261 </p>
    1262 
    1263 
    1264 <p><a name="pppnmeafile"><h4>3.11.5.1 File - optional</h4></p>
    1265 <p>
    1266 Specify the full path to a file where Point Positioning results are saved as NMEA messages. The generated NMEA file begins with a single GPRMC message which carries only date and time information. The default value for 'File (full path)' is an empty option field, meaning that BNC will not saved NMEA messages into a file.
    1267 </p>
    1268 
    1269 <p><a name="pppnmeaport"><h4>3.11.5.2 Port - optional</h4></p>
    1270 <p>
    1271 Specify the IP port number of a local port where Point Positioning results become available as NMEA messages. The default value for 'Port' is an empty option field, meaning that BNC does not provide NMEA messages vi IP port. Note that the NMEA file output and the NMEA IP port output are the same.
     1298Specify the full path to a file where Point Positioning results are saved as NMEA messages. The default value for 'NMEA file' is an empty option field, meaning that BNC will not saved NMEA messages into a file.
     1299</p>
     1300<p>
     1301Note that Tomoji Takasu has written a Windows program called RTKPlot for visualizing NMEA strings. It is available from <u>http://gpspp.sakura.ne.jp/rtklib/rtklib.htm</u> and compatible with the NMEA output of BNC's 'PPP Client' option.
     1302</p>
     1303
     1304<p><a name="pppnmeaport"><h4>3.11.5.2 NMEA Port - optional</h4></p>
     1305<p>
     1306Specify the IP port number of a local port where Point Positioning results become available as NMEA messages. The default value for 'NMEA Port' is an empty option field, meaning that BNC does not provide NMEA messages vi IP port. Note that the NMEA file output and the NMEA IP port output are the same.
    12721307</p>
    12731308<p>
    12741309NASA's 'World Wind' software (see <u>http://worldwindcentral.com/wiki/NASA_World_Wind_Download</u>) can be used for real-time visualization of positions provided through BNC's NMEA IP output port. You need the 'GPS Tracker' plug-in available from <u>http://worldwindcentral.com/wiki/GPS_Tracker</u> for that. The 'Word Wind' is not meant for showing centimeter level details.
    12751310</p>
     1311
     1312<p><a name="pppplot"><h4>3.11.5.3 PPP Plot - optional</h4></p>
     1313<p>
     1314PPP time series of North (red), East(green) and Up (blue) coordinate components will be plotted in the 'PPP Plot' tab when this option ticked. Values will be either referred to an XYZ reference coordinate (if specified) or referred to the first estimated XYZ coordinate. The sliding PPP time series window will cover the period of the latest 5 minutes.
     1315</p>
     1316<p>
     1317Note that a PPP time series makes only sense for a stationary operated receiver.
     1318</p>
     1319
    12761320
    12771321<p><a name="pppsync"><h4>3.11.6 Sync Corr - optional</h4></p>
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