154.17500 DPL 343 is listed as Fitchburg (as well as Verona) fireground. Many of the on scene communications will be simplex so it may be difficult to receive Fitchburg up in Waunakee if that is where you're at. DaneCom transmissions are repeated across the county, for instance a transmission from Cambridge may sound as clear as if it were a mile down the road despite the fact you're in Sauk City, however the on scene fg communications may not carry that far.
That said it is worth programing the frequency anyway! I can normally get anything from Sun Prairie to Mt Horeb here in downtown Madison.