Changeset 2735 in ntrip

Timestamp:

Nov 29, 2010, 11:36:34 PM (13 years ago)

Author:

weber

Message:

PPP section updated

File:

• trunk/BNC/bncwindow.cpp (modified) (1 diff)

trunk/BNC/bncwindow.cpp

@@ -477 +477 @@
   _pppSigPLineEdit->setWhatsThis(tr("<p>Enter a sigma for your phase observations in meters.</p><p>The higher the sigma you enter, the less the contribution of phase observations to a PPP solutions based on a combination of code and phase data. 0.02 (default) is likely to be an appropriate choice.</p>"));
   _pppAverageLineEdit->setWhatsThis(tr("<p>Enter the length of a sliding time window in minutes. BNC will continuously output moving average positions computed from those individual positions obtained most recently throughout this period.</p><p>An empty option field (default) means that you don't want BNC to output moving average positions.</p>"));
-  _pppSigCrd0->setWhatsThis(tr("<p>Enter a sigma in meters for the initial XYZ coordinate componentes. A value of 100.0 may be an appropriate choice.</p>"));
+  _pppSigCrd0->setWhatsThis(tr("<p>Enter a sigma in meters for the initial XYZ coordinate componentes. A value of 100.0 may be an appropriate choice.</p><p>Note that this value may be significantly smaller (i.e. 0.01) when starting from a known XZY position."));
   _pppSigCrdP->setWhatsThis(tr("<p>Enter a sigma in meters for the 'White Noise' of estimated XYZ coordinate components. A value of 100.0 may be appropriate considering the potential movement of a rover position.</p>"));
   _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>"));