Wireless Emergency Alerts on the iPhone–iPhone J.D.

Jeff Richardson explains everything you need to know about:

The WARN Act and WEA

Title VI of PL 109-347 (Oct. 13, 2006) is titled the Warning Alert and Response Network Act, sometimes called the WARN Act.  The WARN Act, in 47 U.S.C. § 1201, gives the FCC the authority to adopt standards for cell phone companies to transmit emergency alerts.  Participation by cell phone companies is voluntary — they don’t have to participate — but if they do, the law states that cell phone companies may not impose an additional charge for such alerts.  47 U.S.C. § 1201(b)(2)(C).

Pursuant to the WARN Act, the FCC worked with FEMA to create a program called Wireless Emergency Alerts (WEA).  The system was based on the existing Emergency Alert System (EAS), which are the warnings that you get on a television and radio when there is a weather or other emergency.

Alerts are sent to cell towers providing wireless service to a target geographical area, and then all WEA-capable phones using those cell towers receive the alert.  Thus, you will receive an alert if you are in a targeted area even if you are just visiting that area.

 

(Sorry-only 4s and newer)

Read the entire article here.

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