Changeset 7668 in ntrip for trunk/BNC


Ignore:
Timestamp:
Jan 11, 2016, 3:27:08 PM (9 years ago)
Author:
weber
Message:

Documentation completed

File:
1 edited

Legend:

Unmodified
Added
Removed

  • trunk/BNC/src/bncwindow.cpp

    r7664 r7668  
    909909  pppGroup1->setLayout(pppLayout1);
    910910
    911   _pppWidgets._eleWgtCode->setWhatsThis(tr("<p>Tic 'Ele Wgt Code' to use satellite Elevation depending Weights for Code observations in the PPP solution.</p>"));
    912 
    913   _pppWidgets._eleWgtPhase->setWhatsThis(tr("<p>Tic 'Ele Wgt Phase' to use satellite Elevation depending Weights for Phase observations in the PPP solution.</p>"));
    914 
    915 
    916911  QVBoxLayout* pppLayout2 = new QVBoxLayout();
    917912  pppLayout2->addWidget(new QLabel("Precise Point Positioning - Processed Stations.<br>"));
    … …  
    12821277  _sp3CompLogLineEdit->setWhatsThis(tr("<p>Specify the full path to a logfile saving comparison results.</p><p>Specifying a logfile is mandatory. Comparing SP3 files and not saving comparison results on disk would be useless.</p>"));
    12831278
     1279  // WhatsThis, Broadcast Corrections
     1280  // --------------------------------
     1281  _corrPathLineEdit->setWhatsThis(tr("<p>Specify a directory for saving Broadcast Ephemeris Correction files.</p><p>If the specified directory does not exist, BNC will not create the files.</p>"));
     1282  _corrPortLineEdit->setWhatsThis(tr("<p>BNC can produce Broadcast Ephemeris Corrections on your local host through an IP port.</p><p>Specify a port number here to activate this function.</p>"));
     1283  _corrIntrComboBox->setWhatsThis(tr("<p>Select the length of Broadcast Ephemeris Correction files.</p>"));
     1284
    12841285  // WhatsThis, Feed Engine
    12851286  // ----------------------
    … …  
    13231324  _pppWidgets._rinexObs->setWhatsThis(tr("<p>Specify the RINEX Observation file.</p>"));
    13241325  _pppWidgets._rinexNav->setWhatsThis(tr("<p>Specify the RINEX Navigation file.</p>"));
    1325   _pppWidgets._corrMount->setWhatsThis(tr("<p>Specify a 'mountpoint' from the 'Streams' canvas below which provides corrections to Broadcast Ephemeris.</p><p>If you don't specify a corrections stream via this option, BNC will fall back to Single Point Positioning (SPP, positioning from observations and broadcast ephemeris only) instead of doing PPP.</p>"));
     1326  _pppWidgets._corrMount->setWhatsThis(tr("<p>Specify a 'mountpoint' from the 'Streams' canvas below which provides corrections to Broadcast Ephemeris.</p><p>If you don't specify a corrections stream via this option, BNC will fall back to Single Point Positioning (SPP, positioning from observations and Broadcast Ephemeris only) instead of doing PPP.</p>"));
    13261327  _pppWidgets._corrFile->setWhatsThis(tr("<p>Specify the Broadcast Ephemeris Corrections file as saved beforehand using BNC.</p><p>If you don't specify corrections by this option, BNC will fall back to Single Point Positioning (SPP, positioning from RINEX Obs and RINEX Nav files only) instead of doing PPP.</p>"));
    13271328  _pppWidgets._antexFile->setWhatsThis(tr("<p>Observations in RTCM streams or RINEX files should be referred to the receiver's and to the satellite's Antenna Phase Center (APC) and therefore be corrected for<ul><li>Receiver APC offsets</li><li>Receiver APC variations</li><li>Satellite APC offsets.</li></ul> Specify the full path to an IGS 'ANTEX file' which contains APC offsets and variations.</p><p>If you don't specify an 'ANTEX file' then observations will not be corrected for APC offsets and variations.</p>"));
    … …  
    13441345  _pppWidgets._maxResC1->setWhatsThis(tr("<p>Specify a maximum for residuals from C1 code observations in a PPP solution. '3.0' meters may be an appropriate choise for that.</p><p>If the maximum is exceeded, contributions from the corresponding observation will be ignored in the PPP solution.</p><p>Default is an empty option field, meaning<br>'Max Rex C1 = 3.0'</p>"));
    13451346  _pppWidgets._maxResL1->setWhatsThis(tr("<p>Specify a maximum for residuals from L1 code observations in a PPP solution. '0.03' meters may be an appropriate choise for that.</p><p>If the maximum is exceeded, contributions from the corresponding observation will be ignored in the PPP solution.</p><p>Default is an empty option field, meaning<br>'Max Rex L1 = 0.03'</p>"));
     1347  _pppWidgets._eleWgtCode->setWhatsThis(tr("<p>Tic 'Ele Wgt Code' to use satellite Elevation depending Weights for Code observations in the PPP solution.</p>"));
     1348  _pppWidgets._eleWgtPhase->setWhatsThis(tr("<p>Tic 'Ele Wgt Phase' to use satellite Elevation depending Weights for Phase observations in the PPP solution.</p>"));
    13461349  _pppWidgets._minObs->setWhatsThis(tr("<p>Select a Minimum Number of Observations per epoch for a PPP solution.</p><p>BNC will only process epochs with observation numbers reaching or exceeding this minimum.</p>"));
    13471350  _pppWidgets._minEle->setWhatsThis(tr("<p>Select a Minimum satellite Elevation for observations.</p><p>BNC will ignore an observation if the associated satellite Elevation does not reach or exceed this minimum.</p><p>Selecting '10 deg' may be an appropriate choise in order to avoid too noisy observations.</p>"));
    … …  
    13491352  // WhatsThis, Combine Corrections
    13501353  // ------------------------------
    1351   _cmbTable->setWhatsThis(tr("<p>BNC allows to process several orbit and clock corrections streams in real-time to produce, encode, upload and save a combination of correctors coming from various providers. Hit the 'Add Row' button, double click on the 'Mountpoint' field to enter a Broadcast Ephemeris corrections mountpoint from the 'Streams' section below and hit Enter. Then double click on the 'AC Name' field to enter your choice of an abbreviation for the Analysis Center (AC) providing the stream. Finally, double click on the 'Weight' field to enter the weight to be applied for this stream in the combination.</p><p>Note that the orbit information in the final combination stream is just copied from one of the incoming streams. The stream used for providing the orbits may vary over time: if the orbit providing stream has an outage then BNC switches to the next remaining stream for getting hold of the orbit information.</p><p>The combination process requires Broadcast Ephemeris. Besides the orbit and clock corrections stream(s) BNC should therefore pull a stream carrying Broadcast Ephemeris in the form of RTCM Version 3 messages.</p><p>It is possible to specify only one Broadcast Ephemeris corrections stream in the combination table. Instead of combining corrections BNC will then merge them with Broadcast Ephemeris to save results in SP3 and/or Clock RINEX format.</p>"));
     1354  _cmbTable->setWhatsThis(tr("<p>BNC allows to process several orbit and clock correction streams in real-time to produce, encode, upload and save a combination of correctors coming from different providers. To add a line to the 'Combine Corrections' table hit the 'Add Row' button, double click on the 'Mountpoint' field to specify a Broadcast Ephemeris Correction mountpoint from the 'Streams' section below and hit Enter. Then double click on the 'AC Name' field to enter your choice of an abbreviation for the Analysis Center (AC) providing the stream. Finally, double click on the 'Weight' field to enter a weight to be applied for this stream in the combination.</p><p>Note that the orbit information in the resulting combination stream is just copied from one of the incoming streams. The stream used for providing the orbits may vary over time: if the orbit providing stream has an outage then BNC switches to the next remaining stream for getting hold of the orbit information.</p><p>The combination process requires Broadcast Ephemeris. Besides orbit and clock correction streams BNC should therefore pull a stream carrying Broadcast Ephemeris in the form of RTCM Version 3 messages.</p><p>It is possible to specify only one Broadcast Ephemeris Correction stream in the 'Combine Corrections' table. Instead of combining corrections BNC will then add the corrections to the Broadcast Ephemeris with the possibility to save final orbit and clock results in SP3 and/or Clock RINEX format.</p>"));
     1355  addCmbRowButton->setWhatsThis(tr("<p>Hit 'Add Row' button to add another line to the 'Combine Corrections' table.</p>"));
     1356  delCmbRowButton->setWhatsThis(tr("<p>Hit 'Delete' button to delete the highlighted line(s) from the 'Combine Corrections' table.</p>"));
     1357  _cmbMethodComboBox->setWhatsThis(tr("<p>Select a clock combination approach. Options are 'Single-Epoch' and Kalman 'Filter'.</p><p>It is suggested to use the Kalman filter approach for the purpose of Precise Point Positioning.</p>"));
     1358  _cmbMaxresLineEdit->setWhatsThis(tr("<p>BNC combines all incoming clocks according to specified weights. Individual clock estimates that differ by more than 'Maximal residuum' meters from the average of all clocks will be ignored.<p></p>It is suggested to specify a value of about 0.2 m for the Kalman filter combination approach and a value of about 3.0 meters for the Single-Epoch combination approach.</p><p>Default is a value of '999.0'.</p>"));
     1359  _cmbSamplSpinBox->setWhatsThis(tr("<p>Select a combination Sampling interval for the clocks. Clock corrections will be produced following that interval.</p><p>A value of 10 sec may be an appropriate choice.</p>"));
     1360  _cmbUseGlonass->setWhatsThis(tr("<p>In case the incoming orbit and clock correction stream(s) support GLONASS, you can tick 'Use GLONASS' to produce a GPS plus GLONASS combination solution.</p><p>Default is a GPS-only combination.</p>"));
     1361
     1362  // WhatsThis, Upload Corrections
     1363  // -----------------------------
     1364  _uploadTable->setWhatsThis(tr("<p>BNC can upload clock and orbit corrections to Broadcast Ephemeris (Broadcast Corrections) in RTCM Version 3 SSR format. You may have a situation where clocks and orbits come from an external Real-time Network Engine (1) or a situation where clock and orbit corrections are combined within BNC (2).</p><p>(1) BNC identifies a stream as coming from a Real-time Network Engine if its format is specified as 'RTNET' and hence its decoder string in the 'Streams' canvas is 'RTNET'. It encodes and uploads that stream to the specified Ntrip Broadcaster Host and Port</p><p>(2) BNC understands that it is expected to encode and upload combined Broadcast Ephemeris Corrections if you specify correction streams in the 'Combine Corrections' table.</p><p>To fill the 'Upload Corrections' table, hit the 'Add Row' button, double click on the 'Host' field to enter the IP or URL of an Ntrip Broadcaster and hit Enter. Then double click on the 'Port', 'Mount' and 'Password' fields to enter the Ntrip Broadcaster IP port (default is 80), the mountpoint and the stream upload password. An empty 'Host' option field means that you don't want to upload corrections.</p><p>Select a target coordinate reference System (e.g. IGS08) for outgoing clock and orbit corrections.</p><p>By default orbit and clock corrections refer to Antenna Phase Center (APC). Tick 'CoM' to refer uploaded corrections to Center of Mass instead of APC.</p><p>Specify a path for saving generated Broadcast Corrections plus Broadcast Ephemeris as SP3 orbit files. If the specified directory does not exist, BNC will not create such files. The following is a path example for a Linux system: /home/user/BNC${GPSWD}.sp3<br>Note that '${GPSWD}' produces the GPS Week and Day number in the filename.</p><p>Specify a path for saving generated Broadcast Correction clocks plus Broadcast Ephemeris clocks as Clock RINEX files. If the specified directory does not exist, BNC will not create Clock RINEX files. The following is a path example for a Linux system: /home/user/BNC${GPSWD}.clk<br>Note that '${GPSWD}' produces the GPS Week and Day number in the filename.</p><p>Finally, specify a SSR Provider ID (issued by RTCM), SSR Solution ID, and SSR Issue of Data number.</p><p>In case the 'Combine Corrections' table contains only one Broadcast Correction stream, BNC will add that stream content to the Broadcast Ephemeris to save results in files specified via SP3 and/or Clock RINEX file path. You should then define only the SP3 and Clock RINEX file path and no further option in the 'Upload Corrections' table.</p>"));
     1365  addUploadRowButton->setWhatsThis(tr("<p>Hit 'Add Row' button to add another line to the 'Upload Corrections' table.</p>"));
     1366  delUploadRowButton->setWhatsThis(tr("<p>Hit 'Del Row' button to delete the highlighted line(s) from the Upload Corrections' table.</p>"));
     1367  _uploadIntrComboBox->setWhatsThis(tr("<p>Select the length of the SP3 and Clock RINEX files.</p>"));
     1368  _uploadSamplRtcmEphCorrSpinBox->setWhatsThis(tr("<p>Select a stream's orbit correction sampling interval in seconds.</p><p>A value of zero '0' tells BNC to upload all available orbit and clock correction samples together in combined messages.</p>"));
     1369  _uploadSamplSp3SpinBox->setWhatsThis(tr("<p>Select a SP3 orbit file sampling interval in minutes.</p><p>A value of zero '0' tells BNC to store all available samples into SP3 orbit files.</p>"));
     1370  _uploadSamplClkRnxSpinBox->setWhatsThis(tr("<p>Select a Clock RINEX file sampling interval in seconds.</p><p>A value of zero '0' tells BNC to store all available samples into Clock RINEX files.</p>"));
     1371  setUploadTrafoButton->setWhatsThis(tr("<p>Hit 'Custom Trafo' to specify your own 14 parameter Helmert Transformation instead of selecting a predefined transformation via option 'System'.</p>"));
     1372  _uploadAntexFile->setWhatsThis(tr("<p>When producing SP3 files or referring orbit and clock corrections to the satellite's Center of Mass (CoM) instead Antenna Phase Center (APC), an offset has to be applied which is available from the IGS 'ANTEX file'. You must therefore specify an 'ANTEX file' path if you want to save the stream content in SP3 format and/or refer correctors to CoM.</p><p>If you don't specify an 'ANTEX file' path, the SP3 file content as well as the orbit and clock correctors will be referred to satellite APCs.</p>"));
     1373
     1374  // WhatsThis, Upload Ephemeris
     1375  // ---------------------------
     1376  _uploadEphHostLineEdit->setWhatsThis(tr("<p>BNC can upload a Broadcast Ephemeris stream in RTCM Version 3 format. Specify the IP number or URL of an Ntrip Broadcaster to upload the stream.</p><p>An empty option field means that you don't want to upload Broadcast Ephemeris.</p>"));
     1377  _uploadEphPortLineEdit->setWhatsThis(tr("<p>Specify the IP port of the Ntrip Broadcaster to upload the Broadcast Ephemeris stream. Default is port 80.</p>"));
     1378  _uploadEphMountpointLineEdit->setWhatsThis(tr("<p>Specify a mountpoint for uploading the Broadcast Ephemeris stream.</p>"));
     1379  _uploadEphPasswordLineEdit->setWhatsThis(tr("<p>Specify the stream upload password protecting the mounpoint on the Ntrip Broadcaster.</p>"));
     1380  _uploadEphSampleSpinBox->setWhatsThis(tr("<p>Select the Broadcast Ephemeris sampling interval in seconds.</p><p>Default is '5', meaning that a complete set of Broadcast Ephemeris is uploaded every 5 seconds.</p>"));
     1381  _uploadEphBytesCounter->setWhatsThis(tr("<p>BNC shows the amount of data uploaded via this stream.</p>"));
    13521382// weber
    13531383
    1354   _corrPortLineEdit->setWhatsThis(tr("<p>BNC can produce Broadcast Ephemeris Corrections on your local host through an IP port. Specify a port number here to activate this function.</p>"));
    1355   _corrPathLineEdit->setWhatsThis(tr("<p>Specify a directory for saving Broadcast Ephemeris Correction files. If the specified directory does not exist, BNC will not create the files.</p>"));
    1356   _corrIntrComboBox->setWhatsThis(tr("<p>Select the length of the Broadcast Ephemeris Correction files.</p>"));
    1357   _mountPointsTable->setWhatsThis(tr("<p>Streams selected for retrieval are listed in the 'Streams' section. Clicking on 'Add Stream' button will open a window that allows the user to select data streams from an Ntrip Broadcaster according to their mountpoints. To remove a stream from the 'Streams' list, highlight it by clicking on it and hit the 'Delete Stream' button. You can also remove multiple streams by highlighting them using +Shift and +Ctrl.</p><p>BNC automatically allocates one of its internal decoders to a stream based on the stream's 'format' as given in the source-table. BNC allows users to change this selection by editing the decoder string. Double click on the 'decoder' field, enter your preferred decoder and then hit Enter. The accepted decoder strings are 'RTCM_2.x', 'RTCM_3.x' and 'RTNET'.</p><p>In case you need to log the raw data as is, BNC allows users to by-pass its decoders and directly save the input in daily log files. To do this specify the decoder string as 'ZERO'.</p><p>BNC can also retrieve streams from virtual reference stations (VRS). VRS streams are indicated by a 'yes' in the 'nmea' column. To initiate these streams, the approximate latitude/longitude rover position is sent to the Ntrip Broadcaster together with an approximation for the height. The default values for latitude and longitude can be change according to your requirement. Double click on 'lat' and 'long' fields, enter the values you wish to send and then hit Enter.</p>"));
    1358   _log->setWhatsThis(tr("<p>Records of BNC's activities are shown in the 'Log' tab. The message log covers the communication status between BNC and the Ntrip Broadcaster as well as any problems that occur in the communication link, stream availability, stream delay, stream conversion etc.</p>"));
    1359   _bncFigure->setWhatsThis(tr("<p>The bandwidth consumtion per stream is shown in the 'Throughput' tab in bits per second (bps) or kilo bits per second (kbps).</p>"));
    1360   _bncFigureLate->setWhatsThis(tr("<p>The individual latency of observations in each incoming stream is shown in the 'Latency' tab. Streams not carrying observations (i.e. those providing only broadcast ephemeris messages) are not considered here. Note that the calculation of correct latencies requires the clock of the host computer to be properly synchronized.</p>"));
    1361   _bncFigurePPP->setWhatsThis(tr("<p>PPP time series of North (red), East (green) and Up (blue) coordinate components are shown in the 'PPP Plot' tab when the corresponting option is selected above. Values are either referred to an XYZ reference coordinate (if specified) or referred to the first estimated set of coordinate compoments. The sliding PPP time series window covers the period of the latest 5 minutes.</p>"));
    1362 
    1363   _cmbMaxresLineEdit->setWhatsThis(tr("<p>BNC combines all incoming clocks according to specified weights. Individual clock estimates that differ by more than 'Maximal Residuum' meters from the average of all clocks will be ignored.<p></p>It is suggested to specify a value of about 0.2 m for the Kalman filter combination approach and a value of about 3.0 meters for the Single-Epoch combination approach.</p><p>Default is a value of '999.0'.</p>"));
    1364   _cmbSamplSpinBox->setWhatsThis(tr("<p>Specify a combination sampling interval for the Clocks. The clock corrections will be produced following that interval. A value of 10 sec may be an appropriate choice.</p>"));
    1365   _cmbUseGlonass->setWhatsThis(tr("<p>In case the incoming orbit and clock correction stream(s) support GLONASS, you can tick 'Use GLONASS' to produce a GPS plus GLONASS combination solution.</p><p>Default is a GPS-only combination.</p>"));
    1366   _cmbMethodComboBox->setWhatsThis(tr("<p>Select a clock combination approach. Options are 'Single-Epoch' and Kalman 'Filter'. It is suggested to use the Kalman filter approach for the purpose of Precise Point Positioning.</p>"));
    1367   _uploadTable->setWhatsThis(tr("<p>BNC can upload clock and orbit corrections to broadcast ephemeris (Broadcast Corrections) in RTCM Version 3 SSR format. You may have a situation where clocks and orbits come from an external Real-time Network Engine (1) or a situation where clock and orbit corrections are combined within BNC (2).</p><p>(1) BNC identifies a stream as coming from a Real-time Network Engine if its format is specified as 'RTNET' and hence its decoder string in the 'Streams' canvas is 'RTNET'. It encodes and uploads that stream to the specified Ntrip Broadcaster</p><p>(2) BNC understands that it is expected to encode and upload combined Broadcast Ephemeris corrections if you specify correction streams in the 'Combine Corrections' stream table.</p><p>Hit the 'Add Row' button, double click on the 'Host' field to enter the IP or URL of an Ntrip Broadcaster and hit Enter. Then double click on the 'Port', 'Mount' and 'Password' fields to enter the Ntrip Broadcaster IP port (default is 80), the mountpoint and the stream upload password. An empty 'Host' option field means that you don't want to upload corrections.</p><p>Select a target coordinate reference system (e.g. IGS08) for outgoing clock and orbit corrections.</p><p>By default orbit and clock corrections refer to Antenna Phase Center (APC). Tick 'CoM' to refer uploaded corrections to Center of Mass instead of APC.</p><p>Specify a path for saving the generated Broadcast Corrections plus Broadcast Ephemeris as SP3 orbit files. If the specified directory does not exist, BNC will not create SP3 orbit files. The following is a path example for a Linux system:<br>/home/user/BNC${GPSWD}.sp3<br>Note that '${GPSWD}' produces the GPS Week and Day number in the filename.</p><p>When saving SP3 file content and/or referring correctors to the satellite's Center of Mass (CoM), an offset has to be applied because correctors originally refer to the satellite's Antenna Phase Center (APC). Antenna offsets are available from the IGS 'ANTEX file' which can be introduced through specifying its path. If you don't specify an 'ANTEX file' path, the SP3 file content and the orbit and clock correctors will be referred to satellite APCs and not to CoM.</p><p>Specify a path for saving the generated Broadcast Correction clocks plus Broadcast Ephemeris clocks as Clock RINEX files. If the specified directory does not exist, BNC will not create Clock RINEX files. The following is a path example for a Linux system:<br>/home/user/BNC${GPSWD}.clk<br>Note that '${GPSWD}' produces the GPS Week and Day number in the filename.</p><p>Specify finally an SSR Provider ID number, an SSR Solution ID number and an Issue of Data SSR number.</p><p>In case the 'Combine Corrections' table contains only one Broadcast Corrections stream, BNC will merge that stream with Broadcast Ephemeris to save results in files specified here through SP3 and/or Clock RINEX file path. In such a case you should define only the SP3 and Clock RINEX file path and no further options in the 'Upload Corrections' table.</p>"));
    1368 
    1369   addCmbRowButton->setWhatsThis(tr("<p>Hit 'Add Row' button to add another line to the mountpoints table.</p>"));
    1370   delCmbRowButton->setWhatsThis(tr("<p>Hit 'Delete' button to delete the highlighted line from the mountpoints table.</p>"));
    1371   addUploadRowButton->setWhatsThis(tr("<p>Hit 'Add Row' button to add another line to the stream upload table.</p>"));
    1372   delUploadRowButton->setWhatsThis(tr("<p>Hit 'Del Row' button to delete the highlighted line from the stream upload table.</p>"));
    1373   _uploadIntrComboBox->setWhatsThis(tr("<p>Select the length of the SP3 and Clock RINEX files.</p>"));
    1374   _uploadSamplRtcmEphCorrSpinBox->setWhatsThis(tr("<p>Select the stream's orbit correction sampling interval in seconds. A value of zero '0' tells BNC to upload all available orbit and clock correction samples together in combined messages.</p>"));
    1375   _uploadSamplClkRnxSpinBox->setWhatsThis(tr("<p>Select the Clock RINEX file sampling interval in seconds. A value of zero '0' tells BNC to store all available samples into Clock RINEX files.</p>"));
    1376   _uploadSamplSp3SpinBox->setWhatsThis(tr("<p>Select the SP3 orbit file sampling interval in minutes. A value of zero '0' tells BNC to store all available samples into SP3 orbit files.</p>"));
    1377   setUploadTrafoButton->setWhatsThis(tr("<p>Hit 'Custom Trafo' to specify your own 14 parameter Helmert Transformation instead of selecting a predefined transformation through 'System' button.</p>"));
    1378   _uploadAntexFile->setWhatsThis(tr("<p>When producing SP3 files or referring orbit and clock corrections to the satellite's Center of Mass (CoM) instead of Antenna Phase Center (APC), an offset has to be applied which is available from the IGS 'ANTEX file'. You must therefore specify the 'ANTEX file' path if you want to save the stream content in SP3 format and/or refer correctors to CoM.</p><p>If you don't specify an 'ANTEX file' path, the SP3 file content as well as the orbit and clock correctors will be referred to satellite APCs.</p>"));
    1379   _uploadEphHostLineEdit->setWhatsThis(tr("<p>BNC can upload a Broadcast Ephemeris stream in RTCM Version 3 format. Specify the host IP of an Ntrip Broadcaster to upload the stream. An empty option field means that you don't want to upload Broadcast Ephemeris.</p>"));
    1380   _uploadEphPortLineEdit->setWhatsThis(tr("<p>Specify the IP port of an Ntrip Broadcaster to upload the stream. Default is port 80.</p>"));
    1381   _uploadEphMountpointLineEdit->setWhatsThis(tr("<p>Specify the mounpoint for stream upload to an Ntrip Broadcaster.</p>"));
    1382   _uploadEphPasswordLineEdit->setWhatsThis(tr("<p>Specify the stream upload password protecting the mounpoint on an Ntrip Broadcaster.</p>"));
    1383   _uploadEphSampleSpinBox->setWhatsThis(tr("<p>Select the Broadcast Ephemeris sampling interval in seconds. Defaut is '5' meaning that a complete set of Broadcast Ephemeris is uploaded every 5 seconds.</p>"));
    1384   _uploadEphBytesCounter->setWhatsThis(tr("<p>BNC shows the amount of data uploaded through this stream.</p>"));
     1384  // WhatsThis, Streams Canvas
     1385  // -------------------------
     1386  _mountPointsTable->setWhatsThis(tr("<p>Streams selected for retrieval are listed in the 'Streams' section. Clicking on 'Add Stream' button opens a window that allows the user to select data streams from an Ntrip Broadcaster according to their mountpoints. To remove a stream from the 'Streams' list, highlight it by clicking on it and hit the 'Delete Stream' button. You can also remove multiple streams by highlighting them using +Shift and +Ctrl.</p><p>BNC automatically allocates one of its internal decoders to a stream based on the stream's 'format' as given in the source-table. BNC allows users to change this selection by editing the decoder string. Double click on the 'decoder' field, enter your preferred decoder and then hit Enter. Accepted decoder strings are 'RTCM_2.x', 'RTCM_3.x' and 'RTNET'.</p><p>In case you need to log raw data as is, BNC allows to by-pass its decoders and directly save the input in daily log files. To do this specify the decoder string as 'ZERO'.</p><p>BNC can also retrieve streams from virtual reference stations (VRS). VRS streams are indicated by a 'yes' in the 'nmea' column. To initiate such stream, the approximate latitude/longitude rover position is sent to the Ntrip Broadcaster together with an approximation for the height. Default values for latitude and longitude can be change according to your requirement. Double click on 'lat' and 'long' fields, enter the values you wish to send and then hit Enter.</p>"));
     1387  _actAddMountPoints->setWhatsThis(tr("<p>Add stream(s) to selection presented in the 'Streams' canvas.</p>"));
    13851388  _actDeleteMountPoints->setWhatsThis(tr("<p>Delete stream(s) from selection presented in the 'Streams' canvas.</p>"));
    1386   _actAddMountPoints->setWhatsThis(tr("<p>Add stream(s) to selection presented in the 'Streams' canvas.</p>"));
    1387   _actMapMountPoints->setWhatsThis(tr("<p> Draw distribution map of stream selection presented in the 'Streams' canvas. Use the mouse to zoom in or out.</p><p>Left button: Draw rectangle to zoom in.<br>Right button: Zoom out.<br>Middle button: Zoom back.</p>"));
     1389  _actMapMountPoints->setWhatsThis(tr("<p> Draw distribution map of stream selection presented in the 'Streams' canvas. Use mouse to zoom in or out.</p><p>Left button: Draw rectangle to zoom in.<br>Right button: Zoom out.<br>Middle button: Zoom back.</p>"));
    13881390  _actStart->setWhatsThis(tr("<p> Start running BNC.</p>"));
    13891391  _actStop->setWhatsThis(tr("<p> Stop running BNC.</p>"));
     1392
     1393  // WhatsThis, Log Canvas
     1394  // ---------------------
     1395  _log->setWhatsThis(tr("<p>Records of BNC's activities are shown in the 'Log' tab. The message log covers the communication status between BNC and the Ntrip Broadcaster as well as problems that occur in the communication link, stream availability, stream delay, stream conversion etc.</p>"));
     1396  _bncFigure->setWhatsThis(tr("<p>The bandwidth consumtion per stream is shown in the 'Throughput' tab in bits per second (bps) or kilo bits per second (kbps).</p>"));
     1397  _bncFigureLate->setWhatsThis(tr("<p>The individual latency of observations of incoming streams is shown in the 'Latency' tab. Streams not carrying observations (e.g. those providing only Broadcast Ephemeris) remain unconsidered.</p><p>Note that the calculation of correct latencies requires the clock of the host computer to be properly synchronized.</p>"));
     1398  _bncFigurePPP->setWhatsThis(tr("<p>PPP time series of North (red), East (green) and Up (blue) displacements are shown in the 'PPP Plot' tab when the corresponding option is selected.</p><p>Values are referred to an XYZ a priori coordinate. The sliding PPP time series window covers the period of the latest 5 minutes.</p>"));
     1399
    13901400
    13911401  // Enable/Disable all Widgets
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