Emergency Alert and Warning Systems Current Knowledge and Future Research Directions (2018) / Chapter Skim
Currently Skimming:
Appendix A: Current Alert and Warning Systems and Their Characteristics
Appendix A: Current Alert and Warning Systems and Their Characteristics
Pages 83-90
The Chapter Skim interface presents what we've algorithmically identified as the most significant single chunk of text within every page in the chapter.
Select key terms on the right to highlight them within pages of the chapter.
From page 83... ...
. The goal of this system was to integrate various alerting systems, the Emergency Alert System, National Warning System, WEA system, and the National Oceanic and Atmospheric Administra 1 Executive Order.
|
From page 84... ...
to provide for better and EAS messages composed Provides authorities a • Participating stations more accurate handling of of 4 parts: broader range of message alert receptions. • tuned to 640 & 1240 kHz options and multiple AM and initiated a special Digitally encoded header • Originally designed to communications pathways sequence and procedure provide the President with Attention Signal • designed to warn Increases capability to alert an expeditious method of Audio Announcement citizens.
|
From page 85... ...
IPAWS allows flexible geotargeting that can more narrowly target areas using GIS data by entering polygon coordinates to outline the at-risk area. Other new capabilities include multilingual and multiaudience messaging; phased and delayed effective times and expirations, enhanced message update and cancellation features, template support, digital encryption and signature capabilities, and facilities for digital images, audio, and video.
|
From page 86... ...
NOTE: CAP, Common Alerting Protocol; ETN, Emergency Telephone Notification; NOAA, National Oceanic and Atmospheric Administration; RBDS, Radio Broadcast 86 Data System. SOURCE: Federal Emergency Management Agency.
|
From page 87... ...
First, a single broadcast message can reach each active cell phone within range of a given cellular tower, reducing the network capacity required for message delivery compared to that required for sending messages to each subscriber. Moreover, because 2 Therecommendations of the CMSAAC appear in its draft report: Commercial Mobile Service Alert Advisory Committee, 2007, Commercial Mobile Alert Service Architecture and Requirements, PMG-0035, FCC, Washington, DC; and in Federal Communications Commission, 2008, Notice of Proposed Rule Making on the Matter of Commercial Mobile Alert System, Public Safety Docket No.
|
From page 88... ...
CHARACTERISTICS OF EMERGENCY MESSAGE DISSEMINATION CHANNELS There is a wide variety of alert and warning dissemination channels available to public message providers in the United States. These are 3 Federal Communications Commission, FCC 16-127, adopted September 29, 2016, https://apps.fcc.gov/edocs_public/attachmatch/FCC-16-127A1.pdf.
|
From page 89... ...
The key shortcoming of WEA messages (limited to 90 characters at the time the table was prepared) is that those messages lacked message comprehensiveness.
|
From page 90... ...
Very Fast Widespread Dispersed Very Low Wireless communications (SMS) Very Fast Widespread Dispersed Very Low Radio Moderately Fast Widespread Dispersed High to Low Television broadcast Moderately Fast Widespread Dispersed Very High to Medium Television message scrolls Moderately Fast Widespread Dispersed Low Newspaper Very Slow Widespread Dispersed Very High Dedicated tone alert radios Very Fast Limited Concentrated High Tone alert and NOAA Weather Radio Fast Widespread Dispersed High Text Telephone (TDD/TTY)
|
Key Terms
This material may be derived from roughly machine-read images, and so is provided only to facilitate research.
More
information on Chapter Skim is available.