title: What is the maximum value of the Satellite's Signal Strength?
body: <p>From the documentation of <a href="http://msdn.microsoft.com/en-us/library/bb202062.aspx" rel="nofollow">GPS_POSITION</a>,</p>
  
  <blockquote>
    <p><strong>rgdwSatellitesInViewSignalToNoiseRatio</strong></p>
    
    <p>Signal to noise ratio of the satellites in view of the GPS hardware.
    Higher numbers indicate greater signal strength.</p>
  </blockquote>
  
  <p>I tried to retrieve the Satellite ID and the Signal Strength and here is the result</p>
  
  <pre><code>    ID    Signal Strength
     ______________________
       1         21
      23         18
      19         12
      20         18
       3         12
      32         14
      13         15
  </code></pre>
  
  <p>Question is, is there a fixed maximum value of Signal Strength? If yes, then what is the value?  </p>
  
  <p>The purpose is I want to display the signal strength for each satellites in percentage form (as my client want to see) such as below:</p>
  
  <pre><code>    ID    Signal Strength
     ______________________
       1         21 % ?
      23         18 % ?
      19         12 % ?
      20         18 % ?
       3         12 % ?
      32         14 % ?
      13         15 % ?
  </code></pre>