I suppose you could record the dog barking for distribution to fellow residents so they can hear for themselves what you have to put up with, as well as the SM. I haven’t been to NCAT, but I assume they need some sort of evidence anyway to substantiate your claim. I am a bit old school with recording since I grew up with cassette tapes and recorders, but I suppose you could do it on your iphone. You may have to agitate and lobby other residents, attend meetings, have your issue put on the agenda to discuss a resolution to your issue. Not easy if you are both unit owners and plan on staying where you are.