Finally, after the third try, I got Bellevue's sirens going off. You can hear the 4004 on the NW side of town throughout the test.
https://www.youtube.com/watch?v=pMSZFSeHfDE
An early ESC-864 analog controller.Chicagosiren-hunters wrote:Anyone know what controller this siren has? It sounds exactly like the one I recorded in Bedford Park a month ago.
1) What are you even trying to say?Chem_Boffin_6589 wrote:I think it is because of the static sustained with collector rings (and it doesn't have any) if it rotated 360 degrees.
I thought Whelens used limit switches.Mark N wrote:Is it that the clockspring rotation mech. has flown south?
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