According to the countys E.M.D. " Its geared to get to you before broadcast news or a marked unit coming down your street " well
I wonder a lot
,What if , the ICBM is on its way and lets pull the alarm how many hours _ more like days to dial up all 7.1 million phones
Needless to say Federal Signal, ACA _ etc. etc Siren System is preferred by me. I dare say even ATI could get the alarm out faster.
Please read on...........
http://www.latimes.com/news/local/la-me ... 5658.story