Allow auto-seq in QRA64 mode; updates to User Guide.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@7989 ab8295b8-cf94-4d9e-aec4-7959e3be5d79

doc/user_guide/en/astro_data.adoc

@@ -22,6 +22,17 @@ and finally *Dgrd*, an estimate of the signal degradation in dB,
 relative to the best possible time with the moon at perigee in a cold
 part of the sky.
 
+On the higher microwave bands, where Faraday rotation is minimal and
+linear polarization is often used, spatial offset will reduce signal
+levels.  Some stations have implemented mechanical polarisation
+adjustment to overcome this loss, and the amount of rotation needed is
+predicted in real time by the value of *Dpol*.  Positive Dpol means
+that the antenna should be rotated in a clockwise direction looking
+from behind the antenna towards the moon.  For a dish antenna, the
+feed should similarly be rotated clockwise looking into the mouth of
+the feed. A negative value for Dpol means anticlockwise rotation.
+
+
 The state of the art for establishing three-dimensional locations of
 the sun, moon, and planets at a specified time is embodied in a
 numerical model of the solar system maintained at the Jet Propulsion

doc/user_guide/en/vhf-features.adoc

@@ -108,7 +108,11 @@ is generally used for EME on the 5.7 and 10 GHz bands.
 
 - For EME QSOs some operators use short-form JT4 messages consisting
 of a single tone.  To activate automatic generation of these messages,
-check the box labeled *Sh*.
+check the box labeled *Sh*. This also enables the generation of a
+single tone at 1000Hz by selecting Tx6, to assist in finding signals
+initially.  The box labeled *Tx6* toggles the Tx6 message from 1000Hz
+to 1250Hz to indicate to the other station that you are ready to
+receive messages.
 
 - Select *Deep* from the *Decode* menu.  You may also choose to
 *Enable averaging* over successive transmissions and/or *Enable deep
@@ -151,15 +155,15 @@ image::JT65B.png[align="center",alt="JT65B"]
 
 === QRA64
 
-QRA64 is an experimental mode in Version 1.7 of _WSJT-X_.  The mode is
+QRA64 is an experimental mode in Version 1.8 of _WSJT-X_.  The mode is
 designed especially for EME on VHF and higher bands; its operation is
-generally similar to JT65.  The following screen shot shows an example
+generally similar to JT4 and JT65.  The following screen shot shows an
-of a QRA64C transmission from DL7YC recorded at G3WDG over the EME
+example of a QRA64C transmission from DL7YC recorded at G3WDG over the
-path at 24 GHz.  Doppler spread on the path was 78 Hz, so although the
+EME path at 24 GHz.  Doppler spread on the path was 78 Hz, so although
-signal is reasonably strong its tones are broadened enough to make
+the signal is reasonably strong its tones are broadened enough to make
-them hard to see on the waterfall.  The red curve shows that the
+them hard to see on the waterfall.  The triangular red marker below
-decoder has achieved synchronization with a signal at approximately
+the frequency scale shows that the decoder has achieved
-967 Hz.
+synchronization with a signal at approximately 967 Hz.
 
 image::QRA64.png[align="center",alt="QRA64"]
 
@@ -177,12 +181,19 @@ most likely value for each of the message's 12 six-bit information
 symbols.  A decode is declared only when the total probability for all
 12 symbols has converged to an unambiguous value very close to 1.
 
-TIP: In _WSJT-X_ Version 1.7 QRA64 is different from JT65 in that the
+For EME QSOs some operators use short-form QRA64 messages consisting
-decoder attempts to find and decode only a single signal in the
+of a single tone.  To activate automatic generation of these messages,
-receiver passband.  If many signals are present you may be able to
+check the box labeled *Sh*.  This also enables the generation of a
-decode them by double-clicking on the lowest tone of each one in the
+single tone at 1000Hz by selecting Tx6, to assist in finding  signals
-waterfall.  A multi-decoder like those for JT65 and JT9 has not
+initially, as the QRA64 tones are often not visible on the waterfall.
-yet been written.
+The box labeled *Tx6* switches the Tx6 message from 1000Hz to 1250Hz
+to indicate to the other station that you are ready to receive messages.
+
+
+TIP: QRA64 is different from JT65 in that the decoder attempts to find
+and decode only a single signal in the receiver passband.  If many
+signals are present you may be able to decode them by double-clicking
+on the lowest tone of each one in the waterfall.  
 
 === ISCAT
 

mainwindow.cpp

@@ -2765,7 +2765,7 @@ void MainWindow::readFromStdout()                             //readFromStdout
         }
         m_QSOText=decodedtext;
       }
-      if(m_mode=="FT8") auto_sequence (decodedtext.string(), 25, 50);
+      if(m_mode=="FT8" or m_mode=="QRA64") auto_sequence (decodedtext.string(), 25, 50);
       
       postDecode (true, decodedtext.string ());
 
@@ -4814,7 +4814,7 @@ void MainWindow::on_actionQRA64_triggered()
        "Using old QRA64 sync pattern.");
     m_bQRAsyncWarned=true;
   }
-  displayWidgets(nWidgets("111110010010111110000000"));
+  displayWidgets(nWidgets("111110010110111110000000"));
   statusChanged();
 }