For those of us who have been on an actual foxhunt, it isn't often the matter of an hour for something of this sort. It is operationally tricky to do this.
OP said that the fox would be mobile and not transmitting all the time. You said the fox was static, but had three 10 db steps in power and periods of silence. 10 db steps in power would trick lots of hunters into suspecting mobility and periods of silence is exactly what op said. I can't imagine why something so close would elicit such a dismissive "so no".
