GPS vs. Glonass vs. Galileo
GPS and Galileo use the exact same frequencies, but call it different things?<p><pre><code>  L1 (1575.42 MHz) and L5  (1176.45 MHz)
  E1 (1575.42 MHz) and E5a (1176.45 MHz)
</code></pre>
Is there a difference I'm not aware of?