[EAS] CMAS, CAP and EAS

[Adrienne Abbott]

Ed--
If state (or local) emergency officials don't have the ability to send CAP
messages, is there any way they can access CMAS? Would it be correct to say
that not all CMAS messages are EAS messages but all EAS messages are also
CMAS messages?

Emergency managers love the idea of sending warning messages directly to
people's cell phones. It seems to me that CMAS and the ability to geo-target
emergency messages to a specific area is the best argument anyone can make
to convince emergency managers to get CAP-equipped.

Adrienne Abbott
Nevada EAS Chair
"Radio burps, it cries, it needs to be fed all the time, it requires
constant attention, but we love it." Jim Aaron WGLN 

-----Original Message-----
From: eas-bounces at radiolists.net [mailto:eas-bounces at radiolists.net] On
Behalf Of Ed Czarnecki
Emergency Messages

CMAS/WEA is on a separate channel from voice and data.  Also, it is cell
broadcast (multicast) to enabled handsets.

Only a certain class of alerts are eligible to make it from the IPAWS
aggregator through the wireless carrier gateways - i.e. those EAS events
representing imminent threat to life and property.  Further the alerts must
be originated by accredited emergency management authorities in the CAP data
format, tag with the highest levels of urgency, severity and certainty (CAP
message elements).

So the intent is for the alerts to be geo targeted, high priority, and not
susceptible to network traffic.

Edward Czarnecki, PhD
Senior Director - Strategy,  Development & Regulatory Affairs Monroe
Electronics / Digital Alert Systems

-----Original message-----
>From:Tom Taggart <tpt at literock93r.com>

>Dumb question: Capacity?

>What happens to the system when it tries to simultaneously reach a 
>large number of cellphones to deliver this emergency message?

>I'll still loose AT&T service in downtown Columbus just because 
>everyone is on their I-Phone at the same time.

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