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 # Charon
 
-Named after [Pluto's moon](https://en.wikipedia.org/wiki/Charon_(moon)), Charon is a simple RF switch assembly for using the [ADI Pluto SDR]() as a vector network analyzer.
+Named after [Pluto's moon](https://en.wikipedia.org/wiki/Charon_(moon)), Charon uses the [ADI Pluto SDR]() as a vector network analyzer. The basic usage is as a 1 port VNA but this can be extended to arbitrarily many ports with the addition of a couple RF switches.
 
 ## Installation