<?xml version="1.0" encoding="ISO-8859-1"?>

<PropertyList>

  <filter>
    <name>ADF needle</name>
    <debug>false</debug>
    <type>gain</type>
    <enable>
      <property>instrumentation/adf/in-range</property>
    </enable>
    <input>
      <expression>
        <sum>
          <property>sim/time/elapsed-sec</property>
          <value>1.5</value>
        </sum>
      </expression>
    </input>
    <input>instrumentation/adf/last-receive</input>
    <output>instrumentation/adf/last-receive</output>
  </filter>

  <filter>
    <name>needle: select source with filter</name>
    <debug>false</debug>
    <type>noise-spike</type>
    <max-rate-of-change>60</max-rate-of-change>

    <input>
      <condition>
        <and>
          <greater-than>
            <property>systems/electrical/outputs/adf</property>
            <value>18</value>
          </greater-than>
          <greater-than>
            <property>sim/time/elapsed-sec</property>
            <property>instrumentation/adf/last-receive</property>
          </greater-than>
        </and>
      </condition>
      <value>90.0</value>
    </input>

    <input>
      <condition>
        <and>
          <greater-than>
            <property>systems/electrical/outputs/adf</property>
            <value>18</value>
          </greater-than>
          <less-than>
            <property>sim/time/elapsed-sec</property>
            <property>instrumentation/adf/last-receive</property>
          </less-than>
        </and>
      </condition>
      <expression>
        <floor>
          <sum>
            <property>instrumentation/adf/indicated-bearing-deg</property>
            <value>0.5</value>
          </sum>
        </floor>
      </expression>
    </input>

    <input>instrumentation/adf/indicated-bearing-deg-disp</input>

    <period>
      <min>-180</min>
      <max>180</max>
    </period>

    <output>instrumentation/adf/indicated-bearing-deg-disp</output>
  </filter>

</PropertyList>
