CMAS Alert Message Content Format designed to ensure that the most critical information is succinctly and clearly communicated in a manner most compatible with the technical attributes of wireless networks Contents of the message: –What's Happening (Event Type or Event Category ) –Area affected (in this area) –Recommended action (Response description) –Expiration time with time zone (Represented as a distinct time – e.g., until 09:30 AM EDT) –Sending Agency (agency type, i.e.
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