Every system has limits, and that's why we tell people, when we are giving advice about building warning systems, you don't ever want to rely on just one thing." Why was the alert system being tested? How many characters you can use, how much you can transmit, how fast you can get it out. "Like any system, there are strengths and weaknesses. ![]() "We know that they are effective systems," Trainor told CBS News. and abroad, to develop their emergency warning systems and procedures. ![]() Trainor has worked with government agencies before, in the U.S. "With the combination, you're going to catch a wide swath of people," said Joseph Trainor, a core faculty member at the University of Delaware's Disaster Research Center, who studies the design of disaster warning systems and how they operate, with a particular focus on mobile warning systems and smart warning systems. This was the third nationwide test of wireless alerts, and the second nationwide test transmitted to all cellphones, FEMA said in a statement.Īs the Wireless Emergency Alert test was sent out to phones, the Emergency Alert System test was sent to televisions and radios. Six previous tests were conducted over the years between November 2011 and August 2021. Wednesday marked the seventh nationwide test of the Emergency Alert System. Emergency alert messages that made up the test were divided into two groups - the Emergency Alert System for radios and televisions, and the Wireless Emergency Alerts for wireless phones - although both happened at once. Secret message: If you love my tools, then I love you, too! Use coupon code TOOLLING to get a discount at my company.The Federal Emergency Management Agency conducted Wednesday's test in coordination with the Federal Communications Commission. Browserling itself is an online cross-browser testing service powered by alien technology. Behind the scenes, it's actually powered by our web developer tools that are used by millions of people every month. This clock time generator was created by me and my team at Browserling. The output format values HH and H get replaced by the numeric hours, MM and M get replaced by the numeric minutes, and SS and S get replaced by the numeric seconds. The output formatting is performed by using the String.replace() function. To convert the 24-hour time format to the 12-hour format, the after-the-noon hour values get 12 subtracted from them. This is done by using the inverse function of the formula above. After that, it turns the saved seconds back to hours, minutes, and seconds. The loop starts by assigning the startInSeconds value to the variable currentTimeInSeconds and in every iteration adds (or subtracts, if time is generated in reverse) the intervalInSeconds step value to the currentTimeInSeconds value, and saves this number in the output list outputTimes. To generate count (specified in options) time values in the output list, it runs a for loop count times. To calculate just the seconds from hours, minutes and seconds, it uses the formula hours*3600 + minutes*60 + seconds. The start time is stored in the startInSeconds variable and the delta in the intervalInSeconds variables. If the time format is correct, then it converts both time values to seconds as it's easier to do the time arithmetic in seconds. The first regexp is /(\d)\s*(am|pm)/i that matches the 12-hour clock time format. It uses four different regular expressions to test the correctness of the input time. It starts by validating and parsing the given start and interval time values. ![]() This linear time series generator works entirely in your browser and is written in JavaScript.
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