MOTM

Man Eric - it sounds like you have a lot of time on your hands!  Your 
very lucky.  

I really would just go beg, borrow or steal a RTA and do it in one 
shot - also note: that room (or concert hall) analysis is most often 
done with pink noise - not sine waves -so I don't necessarily know 
where your going with that ?!?!

Also - you are already in possession of the finest piece of audio 
test-gear that is know to mankind - and they are resting on both 
sides of your head!

Acoustics appears to be a relatively misunderstood topic and many 
folks go to great lengths for it only to find that they'not pleased 
with the results.

I'd go hang out at a pro-studio and/or try and talk to guys who've 
done this before - it will seriously cut down on the BS and get you 
moving ahead quicker - unless, of course you're looking into 
designing studios and soundrooms, etc...

Acoustics is (are) a tricky thing to fathom, especially when you're 
dealing with a per-existing space - not one especially designed 
for 'acoustics'.

People who can do this fairly well get the big bucks for it.  Which 
says once again - its a pretty eloborate topic for most folks to 
apply effectively - unless you dig in a read yer hinny off - which is 
a rather inexpensive - and in the long run valuable - way to go!

Best of luck - "Buck them standing waves!"  (these are bad things)

Rog