I was a little as well, I happened to be at an SDR conference and one of the attendees was a lawyer working with the FCC on licensing issues[1]. I gave him my use case and he said that if it was constrained the way I said it would be, then if it came through their office they would likely approve it.

[1] The FCC has been pretty engaged in understanding the impacts of SDRs because of their potential for abuse (as one attendee called it, "The Drones of spectrum." As an amateur (AI6ZR) and someone in industry I've been helping as an SME to explain some of this stuff to their less technical staff.