Index: trunk/BNC/bnchelp.html
===================================================================
--- trunk/BNC/bnchelp.html	(revision 681)
+++ trunk/BNC/bnchelp.html	(revision 682)
@@ -208,5 +208,5 @@
 </p>
 <p>
-However, sometimes public RINEX header skeleton files are not available, its contents is not up to date, or you need to put additional/optional records in the RINEX header. For that BNC allows using personal skeleton files that contain the header records you would like to include. You can derive a personal RINEX header skeleton file from the information given in an up to date sitelog. A file in the RINEX 'Directory' with the extension 'Skeleton' is interpreted by BNC as a personal RINEX header skeleton file for the corresponding stream.
+However, sometimes public RINEX header skeleton files are not available, its contents is not up to date, or you need to put additional/optional records in the RINEX header. For that BNC allows using personal skeleton files that contain the header records you would like to include. You can derive a personal RINEX header skeleton file from the information given in an up to date sitelog. A file in the RINEX 'Directory' with a 'Skeleton extension' is interpreted by BNC as a personal RINEX header skeleton file for the corresponding stream.
 </p>
 <p>
@@ -219,5 +219,5 @@
 BRUS_1.skl</p>
 <p>
-if RINEX 'Skeleton' extension is set to 'skl'.
+if RINEX 'Skeleton extension' is set to 'skl'.
 </p> 
 <p> 
Index: trunk/BNC/bnctabledlg.cpp
===================================================================
--- trunk/BNC/bnctabledlg.cpp	(revision 681)
+++ trunk/BNC/bnctabledlg.cpp	(revision 682)
@@ -55,15 +55,15 @@
   int ww = QFontMetrics(_casterHostLineEdit->font()).width('w');
   _casterHostLineEdit->setMaximumWidth(18*ww);
-  _casterHostLineEdit->setWhatsThis(tr("Enter the NTRIP broadcaster host IP name or number and port number. <u>http://www.rtcm-ntrip.org/home</u> provides information about known NTRIP broadcaster installations. Note that EUREF and IGS operate NTRIP broadcasters at <u>http://www.euref-ip.net/home</u> and <u>http://www.igs-ip.net/home</u>."));
+  _casterHostLineEdit->setWhatsThis(tr("Enter the NTRIP broadcaster hostname or IP number and port number. <u>http://www.rtcm-ntrip.org/home</u> provides information about known NTRIP broadcaster installations. Note that EUREF and IGS operate NTRIP broadcasters at <u>http://www.euref-ip.net/home</u> and <u>http://www.igs-ip.net/home</u>."));
   _casterPortLineEdit     = new QLineEdit(settings.value("casterPort").toString());
   _casterPortLineEdit->setMaximumWidth(9*ww);
-  _casterPortLineEdit->setWhatsThis(tr("Enter the NTRIP broadcaster host IP name or number and port number. <u>http://www.rtcm-ntrip.org/home</u> provides information about known NTRIP broadcaster installations. Note that EUREF and IGS operate NTRIP broadcasters at <u>http://www.euref-ip.net/home</u> and <u>http://www.igs-ip.net/home</u>."));
+  _casterPortLineEdit->setWhatsThis(tr("Enter the NTRIP broadcaster hostname or IP number and port number. <u>http://www.rtcm-ntrip.org/home</u> provides information about known NTRIP broadcaster installations. Note that EUREF and IGS operate NTRIP broadcasters at <u>http://www.euref-ip.net/home</u> and <u>http://www.igs-ip.net/home</u>."));
   _casterUserLineEdit     = new QLineEdit(settings.value("casterUser").toString());
   _casterUserLineEdit->setMaximumWidth(9*ww);
-  _casterUserLineEdit->setWhatsThis(tr("<p>Some streams on NTRIP broadcasters may be restricted. Enter a valid 'User' ID and 'Password' for access to protected streams. Accounts are usually provided per NTRIP broadcaster through a registration procedure. Register through <u>http://igs.bkg.bund.de/index_ntrip_reg.htm</u> for access to protected streams on <u>www.euref-ip.net</u> and <u>www.igs-ip.net</u>.</p>"));
+  _casterUserLineEdit->setWhatsThis(tr("Access to some streams on NTRIP broadcasters may be restricted. You'll need to enter a valid 'User ID' and 'Password' for access to these protected streams. Accounts are usually provided per NTRIP broadcaster through a registration process. Register through <u>http://igs.bkg.bund.de/index_ntrip_reg.htm</u> for access to protected streams on <u>www.euref-ip.net</u> and <u>www.igs-ip.net</u>."));
   _casterPasswordLineEdit = new QLineEdit(settings.value("casterPassword").toString());
   _casterPasswordLineEdit->setMaximumWidth(9*ww);
   _casterPasswordLineEdit->setEchoMode(QLineEdit::Password);
-  _casterPasswordLineEdit->setWhatsThis(tr("<p>Some streams on NTRIP broadcasters may be restricted. Enter a valid 'User' ID and 'Password' for access to protected streams. Accounts are usually provided per NTRIP broadcaster through a registration procedure. Register through <u>http://igs.bkg.bund.de/index_ntrip_reg.htm</u> for access to protected streams on <u>www.euref-ip.net</u> and <u>www.igs-ip.net</u>.</p>"));
+  _casterPasswordLineEdit->setWhatsThis(tr("Access to some streams on NTRIP broadcasters may be restricted. You'll need to enter a valid 'User ID' and 'Password' for access to these protected streams. Accounts are usually provided per NTRIP broadcaster through a registration procedure. Register through <u>http://igs.bkg.bund.de/index_ntrip_reg.htm</u> for access to protected streams on <u>www.euref-ip.net</u> and <u>www.igs-ip.net</u>."));
 
   QGridLayout* editLayout = new QGridLayout;
@@ -80,5 +80,5 @@
 
   _table = new QTableWidget(this);
-  _table->setWhatsThis(tr("<p>Use the 'Get Table' button to download the source-table from the NTRIP broadcaster. Select your streams line by line, use +Shift and +Ctrl when necessary. Hit 'OK' to return to the main window.</p><p>Pay attention to data fields 'format' and 'format-details'. Keep in mind that BNC can only decode and convert streams that come in RTCM Version 2.x, RTCM Version 3.x, or RTIGS format. RTCM Version 2.x streams must contain message types 18 and 19 while RTCM Version 3.x streams must contain GPS or SBAS message types 1002 or 1004 and may contain GLONASS message types 1010 or 1012, see data field 'format-details' for available message types and their repetition rates in brackets.</p><p>Note that in order to produce RINEX Navigation files, RTCM Version 3.x streams containing message types 1019 (GPS) and 1020 (GLONASS) or RTIGS streams are required.</p><p>The contents of data field 'nmea' tells you whether a stream retrieval needs to be initiated by BNC through sending an NMEA-GGA message carrying position coordinates (virtual reference station).</p>"));
+  _table->setWhatsThis(tr("<p>Use the 'Get Table' button to download the sourcetable from the NTRIP broadcaster. Select the desired streams line by line, using +Shift and +Ctrl when necessary. Hit 'OK' to return to the main window.</p><p>Pay attention to data fields 'format' and 'format-details'. Keep in mind that BNC can only decode and convert streams that come in RTCM Version 2.x, RTCM Version 3.x, or RTIGS format. RTCM Version 2.x streams must contain message Type 18 and 19 while RTCM Version 3.x streams must contain GPS or SBAS message Type 1002 or 1004 and may contain GLONASS message types 1010 or 1012. See data field 'format-details' for available message types and their repetition rates in brackets.</p><p>Note that in order to produce RINEX Navigation files, RTCM Version 3.x streams containing message Type 1019 (GPS) and 1020 (GLONASS) or RTIGS streams are required.</p><p>The content of data field 'nmea' tells you whether a stream retrieval needs to be initiated by BNC by sending an NMEA-GGA message containing the user (or virtual reference station)'s coordinate.</p>"));
   connect(_table, SIGNAL(itemSelectionChanged()),
           this, SLOT(slotSelectionChanged()));
Index: trunk/BNC/bncwindow.cpp
===================================================================
--- trunk/BNC/bncwindow.cpp	(revision 681)
+++ trunk/BNC/bncwindow.cpp	(revision 682)
@@ -104,8 +104,8 @@
   _proxyHostLineEdit  = new QLineEdit(settings.value("proxyHost").toString());
 //  _proxyHostLineEdit->setMaximumWidth(12*ww);
-  _proxyHostLineEdit->setWhatsThis(tr("<p>If you are running BNC within a protected Local Area Network (LAN), you might need to use a proxy server to access the Internet. Enter your proxy server IP and port number in case one is operated in front of BNC. If you don't know the IP and port of your proxy server, check the proxy server settings in your Internet browser or ask your network administrator.</p><p>Note that IP streaming is often not allowed in a LAN. In this case you need to ask your network administrator for an appropriate modification of the local security policy or for the installation of a TCP relay to the NTRIP broadcasters. If these are not possible, you might need to run BNC outside your LAN on a host that has unobstructed connection to the Internet.</p>"));
+  _proxyHostLineEdit->setWhatsThis(tr("<p>If you are running BNC within a protected Local Area Network (LAN), you might need to use a proxy server to access the Internet. Enter your proxy server IP and port number in case one is operated in front of BNC. If you do not know the IP and port of your proxy server, check the proxy server settings in your Internet browser or ask your network administrator.</p><p>Note that IP streaming is often not allowed in a LAN. In this case you need to ask your network administrator for an appropriate modification of the local security policy or for the installation of a TCP relay to the NTRIP broadcasters. If these are not possible, you might need to run BNC outside your LAN on a network that has unobstructed connection to the Internet.</p>"));
   _proxyPortLineEdit  = new QLineEdit(settings.value("proxyPort").toString());
   _proxyPortLineEdit->setMaximumWidth(9*ww);
-  _proxyPortLineEdit->setWhatsThis(tr("<p>If you are running BNC within a protected Local Area Network (LAN), you might need to use a proxy server to access the Internet. Enter your proxy server IP and port number in case one is operated in front of BNC. If you don't know the IP and port of your proxy server, check the proxy server settings in your Internet browser or ask your network administrator.</p><p>Note that IP streaming is often not allowed in a LAN. In this case you need to ask your network administrator for an appropriate modification of the local security policy or for the installation of a TCP relay to the NTRIP broadcasters. If these are not possible, you might need to run BNC outside your LAN on a host that has unobstructed connection to the Internet.</p>"));
+  _proxyPortLineEdit->setWhatsThis(tr("<p>If you are running BNC within a protected Local Area Network (LAN), you might need to use a proxy server to access the Internet. Enter your proxy server IP and port number in case one is operated in front of BNC. If you do not know the IP and port of your proxy server, check the proxy server settings in your Internet browser or ask your network administrator.</p><p>Note that IP streaming is often not allowed in a LAN. In this case you need to ask your network administrator for an appropriate modification of the local security policy or for the installation of a TCP relay to the NTRIP broadcasters. If these are not possible, you might need to run BNC outside your LAN on a network that has unobstructed connection to the Internet.</p>"));
   _waitTimeSpinBox   = new QSpinBox();
   _waitTimeSpinBox->setMinimum(1);
@@ -115,17 +115,17 @@
   _waitTimeSpinBox->setMaximumWidth(9*ww);
   _waitTimeSpinBox->setValue(settings.value("waitTime").toInt());
-  _waitTimeSpinBox->setWhatsThis(tr("<p>When feeding a real-time GNSS engine waiting for input epoch by epoch, BNC drops whatever is received later than 'Wait for full epoch' seconds. A value of 3 to 5 seconds could be an appropriate choice for that, depending on the latency of the incoming streams and the delay acceptable for your real-time GNSS product.</p><p>Note that 'Wait for full epoch' does not effect the RINEX Observation file content. Observations received later than 'Wait for full epoch' seconds will still be included in the RINEX Observation files.</p>"));
+  _waitTimeSpinBox->setWhatsThis(tr("<p>When feeding a real-time GNSS engine waiting for input epoch by epoch, BNC drops whatever is received later than 'Wait for full epoch' seconds. A value of 3 to 5 seconds is recommended, depending on the latency of the incoming streams and the delay acceptable to your real-time GNSS engine or products.</p><p>Note that 'Wait for full epoch' does not effect the RINEX Observation file content. Observations received later than 'Wait for full epoch' seconds will still be included in the RINEX Observation files.</p>"));
   _outFileLineEdit    = new QLineEdit(settings.value("outFile").toString());
-  _outFileLineEdit->setWhatsThis(tr("<p>Specify the full path to a file where synchrozined observations are saved in plain ASCII format. Beware that the size of this file can rapidly increase depending on the number of incoming streams.</p>"));
+  _outFileLineEdit->setWhatsThis(tr("Specify the full path to a file where synchronized observations are saved in plain ASCII format. Beware that the size of this file can rapidly increase depending on the number of incoming streams."));
   _outPortLineEdit    = new QLineEdit(settings.value("outPort").toString());
   _outPortLineEdit->setMaximumWidth(9*ww);
-  _outPortLineEdit->setWhatsThis(tr("<p>BNC can produce synchronized observations in binary format on your local host through an IP port. Specify an IP port number here to activate this function.</p>"));
+  _outPortLineEdit->setWhatsThis(tr("BNC can produce synchronized observations in binary format on your local host through an IP port. Specify a port number here to activate this function."));
   _outEphPortLineEdit    = new QLineEdit(settings.value("outEphPort").toString());
   _outEphPortLineEdit->setMaximumWidth(9*ww);
-  _outEphPortLineEdit->setWhatsThis(tr("<p>BNC can produce ephemeris data in ASCII format on your local host through an IP port. Specify an IP port number here to activate this function.</p>"));
+  _outEphPortLineEdit->setWhatsThis(tr("BNC can produce ephemeris data in RINEX ASCII format on your local host through an IP port. Specify a port number here to activate this function."));
   _rnxPathLineEdit    = new QLineEdit(settings.value("rnxPath").toString());
-  _rnxPathLineEdit->setWhatsThis(tr("<p>Here you specify the path to where the RINEX Observation files will be stored. If the specified directory does not exist, BNC will not create RINEX Observation files.</p>")); 
+  _rnxPathLineEdit->setWhatsThis(tr("Here you specify the path to where the RINEX Observation files will be stored. If the specified directory does not exist, BNC will not create RINEX Observation files.")); 
   _ephPathLineEdit    = new QLineEdit(settings.value("ephPath").toString());
-  _ephPathLineEdit->setWhatsThis(tr("<p>Specify the path for saving Broadcast Ephemeris data as RINEX Navigation files. If the specified directory does not exist, BNC will not create RINEX Navigation files.</p>"));
+  _ephPathLineEdit->setWhatsThis(tr("Specify the path for saving Broadcast Ephemeris data as RINEX Navigation files. If the specified directory does not exist, BNC will not create RINEX Navigation files."));
 
   _rnxV3CheckBox = new QCheckBox();
@@ -134,8 +134,8 @@
   _ephV3CheckBox->setCheckState(Qt::CheckState(settings.value("ephV3").toInt()));
   _rnxScrpLineEdit    = new QLineEdit(settings.value("rnxScript").toString());
-  _rnxScrpLineEdit->setWhatsThis(tr("<p>Whenever a RINEX Observation file is saved, you might want to compress, copy or upload it immediately via FTP. BNC allows you to execute a script/batch file to carry out these operations. To do that specify the full path of the script/batch file here. BNC will pass the RINEX Observation file path to the script as a command line parameter (%1 on Windows systems, $1 onUnix/Linux systems).</p><p>The triggering event for calling the script or batchfile is the end of a RINEX Observation 'File interval'. If that is overridden by a stream outage, the triggering event is the stream reconnection.</p>"));
+  _rnxScrpLineEdit->setWhatsThis(tr("<p>Whenever a RINEX Observation file is saved, you might want to compress, copy or upload it immediately via FTP. BNC allows you to execute a script/batch file to carry out these operations. To do that specify the full path of the script/batch file here. BNC will pass the RINEX Observation file path to the script as a command line parameter (%1 on Windows systems, $1 onUnix/Linux systems).</p><p>The triggering event for calling the script or batch file is the end of a RINEX Observation file 'Interval'. If that is overridden by a stream outage, the triggering event is the stream reconnection.</p>"));
   _rnxSkelLineEdit    = new QLineEdit(settings.value("rnxSkel").toString());
   _rnxSkelLineEdit->setMaximumWidth(5*ww);
-  _rnxSkelLineEdit->setWhatsThis(tr("<p>Whenever BNC starts generating RINEX Observation files (and then once every day at midnight), it first tries to retrieve information needed for RINEX headers from so-called public RINEX header skeleton files which are derived from sitelogs. However, sometimes public RINEX header skeleton files are not available, its contents is not up to date, or you need to put additional/optional records in the RINEX header.</p><p>For that BNC allows using personal skeleton files that contain the header records you would like to include. You can derive a personal RINEX header skeleton file from the information given in an up to date sitelog. A file in the 'RINEX directory' with the extension 'RINEX skeleton extension' is interpreted by BNC as a personal RINEX header skeleton file for the corresponding stream.</p>"));
+  _rnxSkelLineEdit->setWhatsThis(tr("<p>Whenever BNC starts generating RINEX Observation files (and then once every day at midnight), it first tries to retrieve information needed for RINEX headers from so-called public RINEX header skeleton files which are derived from sitelogs. However, sometimes public RINEX header skeleton files are not available, its contents is not up to date, or you need to put additional/optional records in the RINEX header.</p><p>For that BNC allows using personal skeleton files that contain the header records you would like to include. You can derive a personal RINEX header skeleton file from the information given in an up to date sitelog. A file in the RINEX 'Directory' with the RINEX 'Skeleton extension' is interpreted by BNC as a personal RINEX header skeleton file for the corresponding stream.</p>"));
   _rnxAppendCheckBox  = new QCheckBox();
   _rnxAppendCheckBox->setCheckState(Qt::CheckState(
@@ -169,5 +169,4 @@
   _rnxSamplSpinBox->setSuffix(" sec");
   _inspSegmSpinBox    = new QSpinBox();
-  _inspSegmSpinBox->setWhatsThis(tr("<p>Select the RINEX Observation sampling interval in seconds. A value of zero '0' tells BNC to store all received epochs into RINEX.</p>"));
   _inspSegmSpinBox->setMinimum(0);
   _inspSegmSpinBox->setMaximum(60);
@@ -176,5 +175,5 @@
   _inspSegmSpinBox->setValue(settings.value("inspSegm").toInt());
   _inspSegmSpinBox->setSuffix(" sec");
-  _inspSegmSpinBox->setWhatsThis(tr("<p>BNC can collect all returns (success or failure) coming from a decoder within a certain short time span (Inspect segment) to then decide whether a stream content is corrupted or not. When a continuous problem is detected, BNC can inform its operator about this event through an Advisory note. A value of about 15 sec (default) as 'Inspect segment' is recommended when handling 1Hz data.</p><p>A value of zero '0' means that you don't want BNC to inform you about incoming data that can not be decoded.</p>"));
+  _inspSegmSpinBox->setWhatsThis(tr("<p>BNC can collect all returns (success or failure) coming from a decoder within a certain short time span (Inspect segment) to then decide whether the stream content of that segment is corrupted or not. When a continuous problem is detected in consecutive segments, BNC can inform its operator about this event through an Advisory note. A value of about 15 sec (default) as 'Inspect segment' is recommended when handling 1Hz data.</p><p>A value of zero '0' means that you don't want BNC to inform you about incoming data that can not be decoded.</p>"));
   _adviseRecoSpinBox = new QSpinBox();
   _adviseRecoSpinBox->setMinimum(0);
@@ -184,5 +183,5 @@
   _adviseRecoSpinBox->setMaximumWidth(9*ww);
   _adviseRecoSpinBox->setValue(settings.value("adviseReco").toInt());
-  _adviseRecoSpinBox->setWhatsThis(tr("<p>Following a stream outage or a longer series of corrupted observations, an Advisory note is generated when at least one valid observation is received again within the 'Recovery' threshold time span defined here. A value of about 5min (default) is recommendable.</p><p>A value of zero '0' means that for any stream recovery BNC immediately generates an Advisory note!</p><p>Note that using this function for corrupted streams needs an 'Inspect segment' greater zero '0'.</p>"));
+  _adviseRecoSpinBox->setWhatsThis(tr("<p>Following a stream outage or a longer series of corrupted 'Inspect segments', an Advisory note is generated when valid 'Inspect segments' are received again throughout the 'Recovery' threshold time span. A value of about 5min (default) is recommended.</p><p>A value of zero '0' means that for any stream recovery BNC immediately generates an Advisory note.</p><p>Note that using this function for corrupted streams needs an 'Inspect segment' greater zero '0'.</p>"));
   _adviseFailSpinBox = new QSpinBox();
   _adviseFailSpinBox->setMinimum(0);
@@ -192,11 +191,11 @@
   _adviseFailSpinBox->setMaximumWidth(9*ww);
   _adviseFailSpinBox->setValue(settings.value("adviseFail").toInt());
-  _adviseFailSpinBox->setWhatsThis(tr("<p>An Advisory note is generated when no (or corrupted) observations are received throughout the 'Failure' threshold time span defined here. A value of about 15 min (default) is recommendable.</p><p>A value of zero '0' means that for any stream failure BNC immediately generates an Advisory note!</p><p>Note that using this function for corrupted streams needs an 'Inspect segment' greater zero '0'.</p>"));
+  _adviseFailSpinBox->setWhatsThis(tr("<p>An Advisory note is generated when no (or only corrupted) observations are seen in all 'Inspect segments' throughout the 'Failure' threshold time span. A value of 15 min (default) is recommended.</p><p>A value of zero '0' means that for any stream failure BNC immediately generates an Advisory note!</p><p>Note that using this function for corrupted streams needs an 'Inspect segment' greater zero '0'.</p>"));
   _logFileLineEdit    = new QLineEdit(settings.value("logFile").toString());
-  _logFileLineEdit->setWhatsThis(tr("<p>Records of BNC's activities can be saved into a file when a valid path is specified in the 'Log (full path)' field.</p>"));
+  _logFileLineEdit->setWhatsThis(tr("Records of BNC's activities are shown in the Log section on the bottom of this window. They can be saved into a file when a valid path is specified in the 'Logfile (full path)' field."));
   _adviseScriptLineEdit    = new QLineEdit(settings.value("adviseScript").toString());
-  _adviseScriptLineEdit->setWhatsThis(tr("<p>Specify the full path to a script or batch file to handle Advisory notes generated in case of corrupted streams of stream outages. The affected mountpoint and one of the comments 'Begin_Outage', 'End_Outage', 'Begin_Currupted', or 'End_Corrupted' are passed on to the script as two command line parameters.</p><p>The script may be used to send an email to BNC's operator and/or to the affected streamprovider. An empty option field or invalid path means that you don't want to use this option.</p>"));
+  _adviseScriptLineEdit->setWhatsThis(tr("<p>Specify the full path to a script or batch file to handle Advisory notes generated in the event of corrupted streams of stream outages. The affected mountpoint and one of the comments 'Begin_Outage', 'End_Outage', 'Begin_Corrupted', or 'End_Corrupted' are passed on to the script as command line parameters.</p><p>The script can be configured to send an email to BNC's operator and/or to the affected stream provider. An empty option field or invalid path means that you don't want to use this option.</p>"));
   _mountPointsTable   = new QTableWidget(0,7);
-  _mountPointsTable->setWhatsThis(tr("<p>Streams selected for retrieval are listed in the 'Mountpoints' section. Button 'Add Mountpoints' 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 'Mountpoints' list, highlight it by clicking on it and hit the 'Delete Mountpoints' button. You can also remove multiple mountpoints simultaneously 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' and 'format-details' as given in the source-table. However, there might be cases where you need to override the automatic selection due to incorrect source-table for example. BNC allows users to manually select the required decoder by editing the decoder string. Doubleclick on the 'decoder' field, enter your preferred decoder and then hit Enter. The accepted decoder strings are 'RTCM_2.x', 'RTCM_3.x', and 'RTIGS'.</p><p>In case you need to log the raw data as is, BNC allows users to by-pass its decoders and 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). To initiate these streams, an approximate rover position needs to be sent in NMEA format to the NTRIP broadcaster. In return, a user-specific data stream is generated, typically by a Network-RTK software. This stream is customized to the exact latitude and longitude as shown in the 'lat' and 'long' columns under 'Mountpoints'. These VRS streams are indicated by a 'yes' in the 'nmea' column under 'Mountpoints' as well as in the source-table. The default 'lat' and 'long' values are taken from the source-table. However, in most cases you would probably want to change this according to your requirement. Double-click on 'lat' and 'long' fields, enter the values you wish to send and then hit Enter. The format is in positive north latitude degrees (e.g. for northern hemisphere: 52.436, for southern hemisphere: -24.567) and eastern longitude degrees (example: 358.872 or -1.128). Only mountpoints with a 'yes' in its 'nmea' column can be edited. The position must preferably be a point within the service area of the network.</p>"));
+  _mountPointsTable->setWhatsThis(tr("<p>Streams selected for retrieval are listed in the 'Mountpoints' section. Clicking on 'Add Mountpoints' 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 'Mountpoints' list, highlight it by clicking on it and hit the 'Delete Mountpoints' button. You can also remove multiple mountpoints 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' and 'format-details' as given in the sourcetable. However, there might be cases where you need to override the automatic selection due to incorrect sourcetable for example. BNC allows users to manually select the required decoder 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 'RTIGS'.</p><p>In case you need to log the raw data as is, BNC allows users to by-pass its decoders and 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). To initiate these streams, an approximate rover position needs to be sent in NMEA GGA message to the NTRIP broadcaster. In return, a user-specific data stream is generated, typically by a Network-RTK software. This stream is customized to the exact latitude and longitude as shown in the 'lat' and 'long' columns under 'Mountpoints'. These VRS streams are indicated by a 'yes' in the 'nmea' column under 'Mountpoints' as well as in the sourcetable. The default 'lat' and 'long' values are taken from the sourcetable. However, in most cases you would probably want to change this according to your requirement. Double click on 'lat' and 'long' fields, enter the values you wish to send and then hit Enter. The format is in positive north latitude degrees (e.g. for northern hemisphere: 52.436, for southern hemisphere: -24.567) and eastern longitude degrees (e.g.: 358.872 or -1.128). Only mountpoints with a 'yes' in its 'nmea' column can be edited. The position should preferably be a point within the coverage of the network.</p>"));
 
   _mountPointsTable->horizontalHeader()->resizeSection(1,34*ww);
@@ -273,5 +272,5 @@
   _log->setReadOnly(true);
 
-  _log->setWhatsThis(tr("Records of BNC's activities are shown in the 'Log' section. The message log covers the communication status between BNC and the NTRIP broadcaster as well as problems that may occur in the communication link, stream availability, stream delay, stream conversion etc."));
+  _log->setWhatsThis(tr("Records of BNC's activities are shown in the 'Log' section. 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."));
 
 
@@ -344,6 +343,6 @@
   eLayout->addWidget(new QLabel("Version 3"),                     3, 0);
   eLayout->addWidget(_ephV3CheckBox,                              3, 1);
-  _ephV3CheckBox->setWhatsThis(tr("<p>Default format for RINEX Navigation files containing Broadcast Ephemeris is RINEX Version 2.11. Select 'Version 3' if you want to save the ephemeris in RINEX Version 3 format.</p>"));
-  eLayout->addWidget(new QLabel("Saving RINEX ephemeris files."),4,0,1,2,Qt::AlignLeft);
+  _ephV3CheckBox->setWhatsThis(tr("The default format for RINEX Navigation files containing Broadcast Ephemeris is RINEX Version 2.11. Select 'Version 3' if you want to save the ephemeris in RINEX Version 3 format."));
+  eLayout->addWidget(new QLabel("Saving RINEX ephemeris files and ephemeris output through IP port."),4,0,1,2,Qt::AlignLeft);
   eLayout->addWidget(new QLabel("    "),5,0);
   egroup->setLayout(eLayout);
@@ -374,5 +373,5 @@
   oLayout->addWidget(new QLabel("Sampling"),                      1, 2, Qt::AlignRight);
   oLayout->addWidget(_rnxSamplSpinBox,                            1, 3, Qt::AlignLeft);
-  oLayout->addWidget(new QLabel("Skeleton"),                      2, 0);
+  oLayout->addWidget(new QLabel("Skeleton extension"),            2, 0);
   oLayout->addWidget(_rnxSkelLineEdit,                            2, 1);
   oLayout->addWidget(new QLabel("Script (full path)"),            3, 0);
@@ -380,5 +379,5 @@
   oLayout->addWidget(new QLabel("Version 3"),                     4, 0);
   oLayout->addWidget(_rnxV3CheckBox,                              4, 1);
-  _rnxV3CheckBox->setWhatsThis(tr("<p>Default format for RINEX Observation files is RINEX Version 2.11. Select 'Version 3' if you want to save the observations in RINEX Version 3 format.</p>"));
+  _rnxV3CheckBox->setWhatsThis(tr("The default format for RINEX Observation files is RINEX Version 2.11. Select 'Version 3' if you want to save the observations in RINEX Version 3 format."));
   oLayout->addWidget(new QLabel("Saving RINEX observation files."),5,0,1,4, Qt::AlignLeft);
   ogroup->setLayout(oLayout);
