200+ wireless microphones? That has got to be insane!
Well, as luck would have it, the solution, sort of, revealed itself to me yesterday.
In the middle of the show a couple of the
mute buttons on the board died, so we had no (subtle) way of silencing the performers backstage.
This
led me to investigate further to find that the RF interference and the amplitude of the noise it was making were two different problems.
The board is totally out of wack, (and it makes sense, its a 24
channel Mackie that is 16 years old and has plenty of "being dropped" or "left in an attic to collect dust for a year" moments in its history)
We were able to find a temporary replacement for the board. The interference still occurs, but not frequently, and it is only audible now if the
channel it interferes with happens to be un-muted. My area code is not 94203, and am under the impression that it is not a TV station that is causing interference, because if that was the case, wouldn't it be constant?
Nonetheless, it is working for the show!