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firefighters and trucks. So naturally there's more portable radios. Let me drop it. So Toronto uses a huge four zone setup. So what they did is they divided the city into a north-south east-west region. They basically took Young Street, which is sort of the middle of the city from north to south. They said this is east and west, and then they took another street called Eglinton, which runs east to west. And they said north of this is north, south of this is south, and those are your four zones, generally speaking. And each zone had two control channels, the primary and the secondary. There was a third for redundancy. And so they would have one repeater site or control site in the south, one in the west, one in the north, one in the east. And this was important because it meant that only some sites would receive all the same dispatches. If you wanted to listen to Toronto Fire, you needed to listen to Toronto's self-tower for all the dispatches because...