Index: trunk/BNC/src/pppWidgets.cpp
===================================================================
--- trunk/BNC/src/pppWidgets.cpp	(revision 7663)
+++ trunk/BNC/src/pppWidgets.cpp	(revision 7677)
@@ -182,10 +182,10 @@
   // WhatsThis, PPP (2)
   // ------------------
-  _staTable->setWhatsThis(tr("<p>Specify values for Sigma and white Noise of the Stations North, East and Height coordinate components in meters. Specify also a Sigma in meters for a priori model based Tropospheric delays and a Sigma in meters per second for the delay's Noise.</p><p>Specifying one record per Station is mandatory. BNC will only process data for stations wich are listed here. To define a station, specify the 'Mountpoint' when in 'Real-Time Streams' mode or the 4-character station ID when in 'RINEX Files' mode.</p><p>'Sigma' is meant to describe the uncertainty of a single coordinate or tropospheric delay estimated for one epoch. 'Noise' is meant to describe the variation of estimates from epoch to epoch.</p><p><ul><li>A Sigma of 100.0 meters may be an appropriate choice e.g. for the initial N/E/H coordinates. However, this value may be significantly smaller (i.e. 0.01) for stations with well known a priori coordinates.</li><li>A Noise of 100.0 meters for the estimated N/E/H coordinates may also be appropriate considering the potential movement of a rover position.</li><li>A value of 0.1 meters may be an appropriate Sigma for the a priori model based Tropospheric delay estimation.</li><li>Specify a Noise to describe the expected variation of the tropospheric effect over time. Supposing 1Hz observation data, specifying a value of 3e-6 would mean that the tropospheric effect may vary 3600 * 3e-6 = 0.01 meters per hour.</li></ul></p><p>You can also specify a 'NMEA Port' to output coordinates in NMEA format through an IP port of your local host.</p>"));
+  _staTable->setWhatsThis(tr("<p>Specify values for Sigma and white Noise of the Stations North, East and Height coordinate components in meters. Specify also a Sigma in meters for a priori model based Tropospheric delays and a Sigma in meters per second for the delay's Noise.</p><p>Specifying one record per Station is mandatory. BNC will only process data for stations which are listed here. To define a station, specify the 'Mountpoint' when in 'Real-Time Streams' mode or the 4-character station ID when in 'RINEX Files' mode.</p><p>'Sigma' is meant to describe the uncertainty of a single coordinate or tropospheric delay estimated for one epoch. 'Noise' is meant to describe the variation of estimates from epoch to epoch.</p><p><ul><li>A Sigma of 100.0 meters may be an appropriate choice e.g. for the initial N/E/H coordinates. However, this value may be significantly smaller (i.e. 0.01) for stations with well-known a priori coordinates.</li><li>A Noise of 100.0 meters for the estimated N/E/H coordinates may also be appropriate considering the potential movement of a rover position.</li><li>A value of 0.1 meters may be an appropriate Sigma for the a priori model based Tropospheric delay estimation.</li><li>Specify a Noise to describe the expected variation of the tropospheric effect over time. Supposing 1Hz observation data, specifying a value of 3e-6 would mean that the tropospheric effect may vary 3600 * 3e-6 = 0.01 meters per hour.</li></ul></p><p>You can also specify a 'NMEA Port' to output coordinates in NMEA format through an IP port of your local host.</p>"));
 
   // WhatsThis, PPP (3)
   // ------------------
   _corrWaitTime->setWhatsThis(tr("<p>Specifying 'no' means that BNC will not wait for satellite clock corrections and process each epoch of observation data immediately after arrival using the corrections available at that time.</p><p>Specifying a non-zero value (i.e. 5 sec) means that data will be buffered and their processing is postponed till corrections not older than '5 sec' (example) become available.</p>"));
-  _seedingTime->setWhatsThis(tr("<p>Enter the lenght of a startup period in seconds for which you want to fix the PPP solutions to known a priori coordinates as introduced through option 'Coordinates file'. Adjust 'Sigma N/E/H' in the PPP Stations table according to the coordinate's precision. Fixing a priori coordinates is done in BNC through setting 'Sigma N/E/H' temporarily to zero.</p><p>This option allows the PPP solution to rapidly converge. It requires that the antenna remains unmoved on the a priori known position throughout the startup period.</p><p>A value of 60 is likely to be an appropriate choice.</p><p>Default is an empty option field, meaning that you don't want BNC to fix PPP solutions during startup to an a priori coordinate.</p>"));
+  _seedingTime->setWhatsThis(tr("<p>Enter the length of a startup period in seconds for which you want to fix the PPP solutions to known a priori coordinates as introduced through option 'Coordinates file'. Adjust 'Sigma N/E/H' in the PPP Stations table according to the coordinate's precision. Fixing a priori coordinates is done in BNC through setting 'Sigma N/E/H' temporarily to zero.</p><p>This option allows the PPP solution to rapidly converge. It requires that the antenna remains unmoved on the a priori known position throughout the startup period.</p><p>A value of 60 is likely to be an appropriate choice.</p><p>Default is an empty option field, meaning that you don't want BNC to fix PPP solutions during startup to an a priori coordinate.</p>"));
 
   // WhatsThis, PPP (4)
@@ -193,5 +193,5 @@
   _plotCoordinates->setWhatsThis(tr("<p>For one of your PPP Stations BNC can produce a time series plot of coordinate displacements in the 'PPP Plot' tab below. Specify a 'Mountpoint' (when in 'Real-Time Streams' mode) or the 4-character station ID (when in 'RINEX Files' mode) to define the station whose coordinate displacements you would like to see plotted.</p><p>Note that this option makes only sense for a stationary receiver with known a priori marker coordinates as specified through PPP option 'Coordinates file'.</p><p>Default is an empty option field, meaning that BNC shall not produce a time series plot of PPP coordinate displacements.</p>"));
   _audioResponse->setWhatsThis(tr("<p>Specify an 'Audio response' threshold in meters. A beep is produced by BNC whenever a horizontal PPP coordinate component differs by more than the threshold value from the a priori marker coordinate.</p><p>Default is an empty option field, meaning that you don't want BNC to produce alarm signals.</p>"));
-  _mapWinButton->setWhatsThis(tr("<p>You make like to track your rover position using Google Maps or Open Street Map as a background map. A 'Track map' can be produced with BNC in 'Real-Time Streams' or 'RINEX files' PPP mode.</p><p>The 'Open Map' button opens a windows showing a map according to specified options.</p><p>Even in 'RINEX files' post processing mode you should not forget to specify a proxy under the 'Network' tab if that is operated in front of BNC because the programm needs to download the map data.</p>"));
+  _mapWinButton->setWhatsThis(tr("<p>You may like to track your rover position using Google Maps or Open Street Map as a background map. A 'Track map' can be produced with BNC in 'Real-Time Streams' or 'RINEX files' PPP mode.</p><p>The 'Open Map' button opens a windows showing a map according to specified options.</p><p>Even in 'RINEX files' post processing mode you should not forget to specify a proxy under the 'Network' tab if that is operated in front of BNC because the program needs to download the map data.</p>"));
   _useGoogleMap->setWhatsThis(tr("<p>Specify Google Maps as the background for your rover positions.</p>"));
   _useOpenStreetMap->setWhatsThis(tr("<p>Specify Open Street Map as the background for your rover positions.</p>"));
