> On the general topic of FCC testing for sales in the US, a couple of the
> labs I talked to told me independently and rather emphatically that
> "scientific instruments" are generally exempt, and that up to five
> prototypes of any given model can be built and put into service without
> formal testing.  However anything placed into production for resale MUST
be
> tested.

That's my understanding.



If you will go through this more than once, have a look at my page:

http://www.cedar.net/users/dvanhorn/hamrad/ha00001.html