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This is an archive of older DYK entries on the main page.

Until 7/23/16

...that the EOWS series once included a vehicular variant, the M*12?
...that, although having two more cells, the Modulator II 8032B is still 23.64 inches shorter than the Modulator 6048?
...that the Model 2 is the oldest siren currently in production, dating back to around 1921?
...that some Fedelcodes, despite carrying the label and housing, never had a coding mechanism?
...that, contrary to popular belief, the "2001-DC" is not a model in itself, but rather refers to battery-equipped units in general?
...that, the Netherlands has over 3,800 sirens that use JUST the modulator 2008 siren series, and use a completely different controller than the US?