I have been using the Perseus for a few months now and thoroughly enjoy it.  The spectrum recording capability of the Perseus came into good use during an auroral opening last month.  From my Michigan location, the medium wave band was not recognizable the night of the April 7th, 2010, thanks to this event.  Signals from the South replaced those more familiar to my ears and it made for some interesting DX to say the least!  Two Perseus recordings were made of the MW band on the night of the 7th at both 8pm & 9pm EST to capture and...