[amateur-radio-guide] Add soundmodem

John J. McDonough jjmcd at fedoraproject.org
Mon Mar 24 00:57:28 UTC 2014


commit 0963f093b3395b70b3755c4bda66fde3fdcd4347
Author: John J. McDonough <jjmcd at fedoraproject.org>
Date:   Sun Mar 23 20:57:16 2014 -0400

    Add soundmodem

 en-US/images/packet-soundmodem/soundmodem1.png |  Bin 0 -> 10896 bytes
 en-US/images/packet-soundmodem/soundmodem2.png |  Bin 0 -> 9859 bytes
 en-US/images/packet-soundmodem/soundmodem3.png |  Bin 0 -> 29256 bytes
 en-US/images/packet-soundmodem/soundmodem4.png |  Bin 0 -> 8871 bytes
 en-US/images/packet-soundmodem/soundmodem5.png |  Bin 0 -> 20784 bytes
 en-US/images/packet-soundmodem/soundmodem6.png |  Bin 0 -> 18894 bytes
 en-US/images/packet-soundmodem/soundmodem7.png |  Bin 0 -> 23203 bytes
 en-US/images/packet-soundmodem/soundmodem8.png |  Bin 0 -> 2823 bytes
 en-US/packet-soundmodem.xml                    |  182 ++++++++++++++++++++++++
 en-US/packet.xml                               |    1 +
 10 files changed, 183 insertions(+), 0 deletions(-)
---
diff --git a/en-US/images/packet-soundmodem/soundmodem1.png b/en-US/images/packet-soundmodem/soundmodem1.png
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diff --git a/en-US/images/packet-soundmodem/soundmodem6.png b/en-US/images/packet-soundmodem/soundmodem6.png
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diff --git a/en-US/images/packet-soundmodem/soundmodem7.png b/en-US/images/packet-soundmodem/soundmodem7.png
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diff --git a/en-US/images/packet-soundmodem/soundmodem8.png b/en-US/images/packet-soundmodem/soundmodem8.png
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diff --git a/en-US/packet-soundmodem.xml b/en-US/packet-soundmodem.xml
new file mode 100644
index 0000000..98bc884
--- /dev/null
+++ b/en-US/packet-soundmodem.xml
@@ -0,0 +1,182 @@
+<?xml version='1.0'?>
+<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docarticle/xml/4.5/docarticlex.dtd" [
+]>
+
+<section id="packet-soundmodem">
+  <title>soundmodem</title>
+  <para>
+    <application>soundmodem</application> provides an AX.25 interface
+    through a sound card device, eliminating the need for a TNC.
+  </para>
+  <para>
+    Before it can be used, <application>soundmodem</application> must
+    be configured by issuing the command:
+    <command>soundmodemconfig&amp;</command>.  This will launch the
+    configuration dialog.
+  </para>
+  <para>
+    Multiple configurations can be configured, the first step is to
+    start a new configuration:
+    <figure float="0"><title>soundmodemconfig</title>
+    <mediaobject>
+      <imageobject>
+        <imagedata scale="99" scalefit="1" 
+                   fileref="images/packet-soundmodem/soundmodem1.png" 
+                   format="PNG"/>
+      </imageobject>
+      <textobject>
+        <para>
+          soundmodemconfig
+        </para>
+      </textobject>
+    </mediaobject>
+    </figure>
+  </para>
+  <para>
+    This will open a dialog requesting a name for the configuration:
+    <figure float="0"><title>Naming the configuration</title>
+    <mediaobject>
+      <imageobject>
+        <imagedata scale="99" scalefit="1" 
+                   fileref="images/packet-soundmodem/soundmodem2.png" 
+                   format="PNG"/>
+      </imageobject>
+      <textobject>
+        <para>
+          soundmodemconfig
+        </para>
+      </textobject>
+    </mediaobject>
+    </figure>
+  </para>
+  <para>
+    Enter the appropriate data for your sound card.  The lower part
+    of the dialog is only applicable if <package>hamlib</package> is
+    to be used.  The <guilabel>Channel Access</guilabel> tab
+    contains a few TNC parameters and generally the defaults should
+    be used until more experience is gained with the particular
+    channel: 
+    <figure float="0"><title>Configuration panel</title>
+    <mediaobject>
+      <imageobject>
+        <imagedata scale="99" scalefit="1" 
+                   fileref="images/packet-soundmodem/soundmodem3.png" 
+                   format="PNG"/>
+      </imageobject>
+      <textobject>
+        <para>
+          soundmodemconfig
+        </para>
+      </textobject>
+    </mediaobject>
+    </figure>
+  </para>
+  <para>
+    After creating the configuration, it is now necessary to create a
+    new channel:
+    <figure float="0"><title>New channel</title>
+    <mediaobject>
+      <imageobject>
+        <imagedata scale="99" scalefit="1" 
+                   fileref="images/packet-soundmodem/soundmodem4.png" 
+                   format="PNG"/>
+      </imageobject>
+      <textobject>
+        <para>
+          soundmodemconfig
+        </para>
+      </textobject>
+    </mediaobject>
+    </figure>
+  </para>
+  <para>
+    The channel contains specifics about the modulation as well as
+    identification.  For the modulator, the values shown below are
+    typical for VHF packet:
+    <figure float="0"><title>Modulator configuration</title>
+    <mediaobject>
+      <imageobject>
+        <imagedata scale="99" scalefit="1" 
+                   fileref="images/packet-soundmodem/soundmodem5.png" 
+                   format="PNG"/>
+      </imageobject>
+      <textobject>
+        <para>
+          soundmodemconfig
+        </para>
+      </textobject>
+    </mediaobject>
+    </figure>
+  </para>
+  <para>
+    The demodulator will typically be set to the same values as the
+    modulator:
+    <figure float="0"><title>Demodulator configuration</title>
+    <mediaobject>
+      <imageobject>
+        <imagedata scale="99" scalefit="1" 
+                   fileref="images/packet-soundmodem/soundmodem6.png" 
+                   format="PNG"/>
+      </imageobject>
+      <textobject>
+        <para>
+          soundmodemconfig
+        </para>
+      </textobject>
+    </mediaobject>
+    </figure>
+  </para>
+  <para>
+    the <guilabel>Packet I/O</guilabel> contains identification
+    specific to your station.  The <guilabel>Interface Name</guilabel>
+    must match the name of port in
+    <filename>/etc/ax25/axports</filename> (<xref linkend="axports2" />)
+    if the <package>ax25-apps</package>((<xref
+    linkend="packet-ax25-apps" />) is to work properly.  Similarly,
+    the <guilabel>Callsign</guilabel>, which should contain your
+    station's SSID must also match the value in
+    <filename>axports</filename>.  The <guilabel>IP Address</guilabel>
+    should be the address assigned by your local AMPRnet coordinator.
+    The remaining fields have their typical meaning.
+    <figure float="0"><title>Packet I/O configuration</title>
+    <mediaobject>
+      <imageobject>
+        <imagedata scale="99" scalefit="1" 
+                   fileref="images/packet-soundmodem/soundmodem7.png" 
+                   format="PNG"/>
+      </imageobject>
+      <textobject>
+        <para>
+          soundmodemconfig
+        </para>
+      </textobject>
+    </mediaobject>
+    </figure>
+  </para>
+  <para>
+    You must also set up <filename>/etc/ax25/axports</filename> to
+    create a port for your sound device. (Refer to (<xref
+    linkend="packet-ax25-tools" />.
+    <figure float="0" id="axports2"><title>/etc/ax25/axports</title>
+    <mediaobject>
+      <imageobject>
+        <imagedata scale="99" scalefit="1" 
+                   fileref="images/packet-soundmodem/soundmodem8.png" 
+                   format="PNG"/>
+      </imageobject>
+      <textobject>
+        <para>
+          soundmodemconfig
+        </para>
+      </textobject>
+    </mediaobject>
+    </figure>
+    You may now use the <application>axlisten</application> and
+    <application>axcall</application> applications described in <xref
+    linkend="packet-ax25-apps" />.  If you have IP resources
+    available, you may also use ordinary network applications.
+    <application>soundmodemconfig</application> provides basic routes,
+    but depending on your local environment, you may wish to add
+    additional routes.
+  </para>
+</section>
diff --git a/en-US/packet.xml b/en-US/packet.xml
index 5ea94b5..f105de7 100644
--- a/en-US/packet.xml
+++ b/en-US/packet.xml
@@ -19,6 +19,7 @@
     <xi:include href="packet-node.xml" xmlns:xi="http://www.w3.org/2001/XInclude" />
 -->
 
+    <xi:include href="packet-soundmodem.xml" xmlns:xi="http://www.w3.org/2001/XInclude" />
     <xi:include href="packet-xconvers.xml" xmlns:xi="http://www.w3.org/2001/XInclude" />
 <!-- Obsolete
     <xi:include href="packet-xdx.xml" xmlns:xi="http://www.w3.org/2001/XInclude" />


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