A good example of
The most fragile system is the Internet and the cellular phone system. Landline phone systems are becoming decrepit, and many are actually using the provider's Internet system to connect. TV stations on tall towers are vulnerable, as are similarly installed FMs. An AM can be put back on the air with a wire between two trees in a few hours!
But the average citizen under age 50 or so would not even think to check AM in an emergency even if they had a radio with the AM band on it!
A good example is the fairly recent major hurricane in Puerto Rico where over 90% of cellular phone sites were down (and some for several months), all power was out, all TV was off the air and only one radio station, an AM, was broadcasting.The Internet is not indestructible.
The most fragile system is the Internet and the cellular phone system. Landline phone systems are becoming decrepit, and many are actually using the provider's Internet system to connect. TV stations on tall towers are vulnerable, as are similarly installed FMs. An AM can be put back on the air with a wire between two trees in a few hours!
But the average citizen under age 50 or so would not even think to check AM in an emergency even if they had a radio with the AM band on it!