Discussion of all things related to fire alarms, including alarm systems, fire alarm collections, sirens, sprinklers, fire drills, evacuations, actual fires, building architecture, other kinds of safety drills like tornado and earthquake drills and such, etc.
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- Serious Participant
- Posts: 261
- Joined: Fri Jul 20, 2018 9:26 pm
- YouTube Username: RSS alarms
- Location: Portland,OR
does anyone have any recordings of a simplex 4003 messages, just wondering.
I've been an enthusiast since 2009, but haven’t started collecting until 2016