- Timestamp:
- Jan 19, 2016, 3:09:07 PM (9 years ago)
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trunk/BNC/src/bnchelp.html
r7703 r7705 1210 1210 <li>'mountPoints' to change the selection of streams to be processed, see section 'Streams';</li> 1211 1211 <li>'outWait' to change the 'Wait for full obs epoch' option, see section 'Feed Engine';</li> 1212 <li>'outSampl' to change the 'Sampling' option, see section 'Feed Engine' .</li>1212 <li>'outSampl' to change the 'Sampling' option, see section 'Feed Engine';</li> 1213 1213 <li>'outFile' to change the 'File' name where synchronized observations are saved in plain ASCII format.</li> 1214 1214 </ul> … … 1440 1440 <p><h4>2.4.8 <a name="rnxvers2">Version 2 - optional</h4></p> 1441 1441 <p> 1442 GNSS observation data are generally available within BNC according to attributes as defined in RINEX Version 3. These attributes describe the tracking mode or channel when generating the observation signals. Capital letters specifying signal generation attributes are A, B, C, D, I, L, M, N, P, Q, S, W, X, Y, and Z, see RINEX Version 3 documentation. Although RINEX Version 3 with its signal generation attributes is the internal default processing format for BNC, there are two applications where the program is explicitly required to produce data in RINEX Version 2 format:1442 GNSS observation data are generally hold available within BNC according to attributes as defined in RINEX Version 3. These attributes describe the tracking mode or channel when generating the observation signals. Capital letters specifying signal generation attributes are A, B, C, D, I, L, M, N, P, Q, S, W, X, Y, and Z, see RINEX Version 3 documentation. Although RINEX Version 3 with its signal generation attributes is the internal default processing format for BNC, there are two applications where the program is explicitly required to produce data in RINEX Version 2 format: 1443 1443 <ol type=1> 1444 1444 <li>When saving the content of incoming observation streams in RINEX Version 2 files as described in this section.</li> … … 1496 1496 </p> 1497 1497 <p> 1498 The following is an example for a RINEX Version 3 Navigation filename. The file contains one day s data. 'MN' stands for 'Multi Constellation Navigation' data.1498 The following is an example for a RINEX Version 3 Navigation filename. The file contains one day's data. 'MN' stands for 'Multi Constellation Navigation' data. 1499 1499 <pre> 1500 1500 BRDC00DEU_S_20121600000_01D_MN.rnx … … 2621 2621 <p>Select 'Auto' to automatically forward NMEA messages of type GGA from your serial connected receiver to the Ntrip broadcaster and/or save them in a file. 2622 2622 </p> 2623 <p>Select 'Manual GPGGA' or 'Manual GNGGA' if you want BNC to produce and upload GPGGA or GNGGA NMEA messages to the Ntrip broadcaster because your serial connected receiver doesn't generate these messages. A Talker ID 'GP' pr eceeding the GGA string stands for GPS solutions while a Talker ID 'GN' stands for multi-constellation solutions.2623 <p>Select 'Manual GPGGA' or 'Manual GNGGA' if you want BNC to produce and upload GPGGA or GNGGA NMEA messages to the Ntrip broadcaster because your serial connected receiver doesn't generate these messages. A Talker ID 'GP' proceeding the GGA string stands for GPS solutions while a Talker ID 'GN' stands for multi-constellation solutions. 2624 2624 </p> 2625 2625 <p>Note that selecting 'Auto' or 'Manual' works only for VRS streams which show up under the 'Streams' canvas on BNC's main window with 'nmea' stream attribute set to 'yes'. This attribute is either extracted from the Ntrip broadcaster's source-table or introduced by the user through editing the BNC configuration file. … … 2654 2654 </p> 2655 2655 <p> 2656 <u>Stream corruption:</u> Not all chunks of bits transfer ed to BNC's internal decoder may return valid observations. Sometimes several chunks might be needed before the next observation can be properly decoded. BNC buffers all the outputs (both valid and invalid) from the decoder for a short time span (size derived from the expected 'Observation rate') and then determines whether a stream is valid or corrupted.2656 <u>Stream corruption:</u> Not all chunks of bits transferred to BNC's internal decoder may return valid observations. Sometimes several chunks might be needed before the next observation can be properly decoded. BNC buffers all the outputs (both valid and invalid) from the decoder for a short time span (size derived from the expected 'Observation rate') and then determines whether a stream is valid or corrupted. 2657 2657 </p> 2658 2658 <p> … … 3349 3349 3350 3350 <p><h4>2.13.2.6 <a name="pppnmeaport">NMEA Port - optional</h4></p> 3351 Specify 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.3351 Specify 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 via IP port. Note that the NMEA file output and the NMEA IP port output are the same. 3352 3352 </p> 3353 3353 <p> … … 3386 3386 </p> 3387 3387 3388 <p><h4>2.13.3. 1<a name="pppcodeobs">Code Observations - mandatory</h4></p>3388 <p><h4>2.13.3.2 <a name="pppcodeobs">Code Observations - mandatory</h4></p> 3389 3389 </p> 3390 3390 Enter a 'Sigma C1' for C1 code observations in meters. The bigger the sigma you enter, the less the contribution of C1 code observations to a PPP solution based on a combination of code and phase data. '2.0' meters is likely to be an appropriate choice. … … 3710 3710 <tr><td>PhaseBias</td><td>Satellite Phase Biases in meters with two characters for frequency and tracking mode per bias as defined in RINEX 3, preceded by total number of biases and followed by Signal Wilde-Lane Integer Indicator as well as Signal Discontinuity Counter</td></tr> 3711 3711 </table> 3712 <p> 3712 3713 <ul> 3713 3714 <li> Non-satellite specific parameters 3715 </ul> 3716 </p> 3717 <p> 3718 The following syntax will be used: 3719 </p> 3720 <pre> 3721 <key> <value1 value2 ...> 3722 3723 </pre> 3724 <p> 3714 3725 </ul> 3715 3726 The following non-satellite specific keys and values are currently specified in BNC:<br><br> … … 3762 3773 </p> 3763 3774 3764 <p><h4>2.1 4.2 <a name="uphost">Host, Port, Mountpoint, Password - optional</h4></p>3775 <p><h4>2.15.2 <a name="uphost">Host, Port, Mountpoint, Password - optional</h4></p> 3765 3776 3766 3777 <p>Specify the domain name or IP number of an Ntrip Broadcaster for uploading the stream. Furthermore, specify the caster's listening IP port, an upload mountpoint and an upload password. Note that Ntrip Broadcasters are often configured to provide access through more than one port, usually ports 80 and 2101. If you experience communication problems on port 80, you should try to use the alternative port(s).
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