They could be lights to deter vandals from messing with the tower.

Could it just be the electrical system on the vehicle? or maybe different number of ports?

No, two 100 watt drivers are connected together by an adapter and feed into one of the channels inside the cell. I don't have an image on hand of one of the cells, but given that I-Forces are designed in a similar way with 800 watts per cell here's a screenshot of the guts. The drivers together fee...

Mind if I ask where that is at?

My area, Peoria, IL doesn't normally test their fire sirens, so what I do is ride my bike to a nearby fire house and wait for the tones to start up, then I start my camera up.

For me it's any day of the week, but the best time to get out and record is definitely summer time. This year I have three field days, as I like to call them, to go out and record (weather permitting).

I really want to say that's a federal siren, but I may be wrong on that.

I would suggest browsing this forum for Michigan siren locations. Please keep in mind I have not checked any of the Michigan maps, so I don't know what you can expect.

Some cites need to watch this video. I hate it when people say that sirens are "outdated" and all we need is "phones and technology." Cell tower gets knocked out. Then what do you do? You go to the EOC and if the sirens are electronic you use them for announcements, and you get ...

Ribbon cables have a tendency to short out. Every student at my school has a MacBook, and the hard drives are connected via ribbon cable and normally when the hard drives crash it's because the ribbon cable shorted out. Don't get me wrong, I think ribbon cable is great, but it could be a little thic...