Index: /trunk/BNC/bncwindow.cpp
===================================================================
--- /trunk/BNC/bncwindow.cpp	(revision 3819)
+++ /trunk/BNC/bncwindow.cpp	(revision 3820)
@@ -918,9 +918,9 @@
   pppLayout->addWidget(new QLabel("Post-processing"),   ir, 0, 1, 10);
   pppLayout->addWidget(_postObsFileChooser,             ir,10, 1, 25);
-  pppLayout->addWidget(new QLabel("Obs    "),           ir,35, 1,  5);
+  pppLayout->addWidget(new QLabel("Obs.   "),           ir,35, 1,  5);
   pppLayout->addWidget(_postNavFileChooser,             ir,40, 1, 16);
-  pppLayout->addWidget(new QLabel("Nav   "),            ir,56, 1, 5);
+  pppLayout->addWidget(new QLabel("Nav.  "),            ir,56, 1, 5);
   pppLayout->addWidget(_postCorrFileChooser,            ir,61, 1, 22);
-  pppLayout->addWidget(new QLabel("Corr"),              ir,83, 1, 9);
+  pppLayout->addWidget(new QLabel("Corr."),             ir,83, 1, 9);
   ++ir;
   pppLayout->addWidget(new QLabel("Post-proc. output"), ir, 0, 1, 10);
@@ -1164,5 +1164,5 @@
   _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 or 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 may have the task to send the advisory notes by email to BNC's operator and/or to the affected stream provider. An empty option field (default) or invalid path means that you don't want to use this option.</p>"));
   _perfIntrComboBox->setWhatsThis(tr("<p>BNC can average latencies per stream over a certain period of GPS time. The resulting mean latencies are recorded in the 'Log' tab at the end of each 'Log latency' interval together with results of a statistical evaluation (approximate number of covered epochs, data gaps).</p><p>Select a 'Log latency' interval or select the empty option field if you do not want BNC to log latencies and statistical information.</p>"));
-  _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 sourcetable. 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 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. The default values 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>"));
+  _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 sourcetable. 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. The default values 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>"));
   _log->setWhatsThis(tr("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."));
   _bncFigure->setWhatsThis(tr("The bandwidth consumtion per stream is shown in the 'Throughput' tab in bits per second (bps) or kilo bits per second (kbps)."));
@@ -1184,5 +1184,5 @@
   _pppMountLineEdit->setWhatsThis(tr("<p>Specify an observations stream by its mountpoint from the 'Streams' list compiled below if you want BNC to estimate coordinates for the affected receiver position through a PPP solution. Example: 'FFMJ1'</p><p>Note that PPP in BNC requires to also pull a stream carrying RTCM Version 3 satellite orbit and clock corrections to Broadcast Ephemeris referring to the satellites' Antenna Phase Centers (APC). Stream CLK11 on NTRIP broadcaster products.igs-ip.net is an example.</p><p>Pulling in addition a third stream carrying Broadcast Ephemeris messages in high repetition rate is suggested if such messages are comeing from the receiver in low repetition rate or don't come at all from there.</p>"));
   _pppCorrMountLineEdit->setWhatsThis(tr("<p>You must specify an orbit/clock Broadcast Ephemeris corrections stream by its mountpoint from the 'Streams' list below. Example: 'CLK10'</p><p>Note that BNC can produce an internal PPP solution from combined Broadcast Ephemeris corrections as specified under 'Combination' if you introduce keyword 'INTERNAL' as the corrections mountpoint.</p>"));
-  _pppSPPComboBox->setWhatsThis(tr("<p>Choose between plain Single Point Positioning (SPP) and Precise Point Positioning (PPP) in real-time and post processing mode.</p>"));
+  _pppSPPComboBox->setWhatsThis(tr("<p>Choose between plain Single Point Positioning (SPP) and Precise Point Positioning (PPP) in 'Realtime' or 'Post-Processing' mode.</p><p>When in 'Post-Processing mode:<ul><li>Specifying a RINEX Observation, a RINEX Navigation and a Broadcast Correction file leads to a PPP solution.</li><li>Specifying only a RINEX Observation and a RINEX Navigation file and no Broadcast Correction file leads to a SPP solution.</ul></p>"));
   _teqcActionComboBox->setWhatsThis(tr("<p>BNC allows to edit or concatinate RINEX v2 or v3 files or to perform a quality control.</p>"));
   _teqcEditOptionButton->setWhatsThis(tr("<p>Specify options for editing RINEX v2 or v3 files.</p>"));
@@ -1203,7 +1203,7 @@
   _pppSigTrp0->setWhatsThis(tr("<p>Enter a sigma in meters for the a-priory model based tropospheric delay estimation. A value of 0.1 (default) may be an appropriate choice.</p>"));
   _pppSigTrpP->setWhatsThis(tr("<p>Enter a sigma in meters per second to describe the expected variation of the tropospheric effect.</p><p>Supposing 1Hz observation data, a value of 3e-6 (default) would mean that the tropospheric effect may vary for 3600 * 3e-6 = 0.01 meters per hour.</p>"));
-  _pppRefCrdXLineEdit->setWhatsThis(tr("<p>Enter reference coordinate X of the receiver's position.</p>"));
-  _pppRefCrdYLineEdit->setWhatsThis(tr("<p>Enter reference coordinate Y of the receiver's position.</p>"));
-  _pppRefCrdZLineEdit->setWhatsThis(tr("<p>Enter reference coordinate Z of the receiver's position.</p>"));
+  _pppRefCrdXLineEdit->setWhatsThis(tr("<p>Enter reference coordinate X of the receiver's position.</p><p>This option only makes sense in static observation conditions.</p>"));
+  _pppRefCrdYLineEdit->setWhatsThis(tr("<p>Enter reference coordinate Y of the receiver's position.</p><p>This option only makes sens in static observation conditions.</p>"));
+  _pppRefCrdZLineEdit->setWhatsThis(tr("<p>Enter reference coordinate Z of the receiver's position.</p><p>This option only makes sens in static observation conditions.</p>"));
   _pppRefdNLineEdit->setWhatsThis(tr("<p>Enter north antenna excentricity.</p>"));
   _pppRefdELineEdit->setWhatsThis(tr("<p>Enter east antenna excentricity.</p>"));
