States from Virginia to Wyoming have invested millions of dollars in new emergency radio systems since 2001.
If space authorities tracking Mir become aware of any potential danger, emergency radio announcements would advise citizens to stay indoors, the document said, according to Bild.
Their lives were saved by having an emergency weather radio while camping.
WHITEHOUSE: Using Media Strategies to Boost Public Preparedness
The alarm set off by the men is known as an EPIRB - an Emergency Position Indicating Radio Beacon.
BBC: NEWS | UK | England | Bristol/Somerset | Stricken rowers rescued by ship
The three fishermen's vessel didn't have an Emergency Position Indicating Radio Beacon, which transmits a distress signal anywhere in the world through a satellite system, the navy said.
Meanwhile, the coastguard was not alerted to the Purbeck Isle's plight for seven hours as it was not fitted with an emergency position-indicating radio beacon or similar distress signalling device.
If digital communications are disrupted, the site can switch to analogue technology with assistance from the Radio Amateurs' Emergency Network.
"It's important for us to go back and do an out-to-action report, " he said, talking about looking at radio transmissions and emergency calls.
But people who listen to pirate radio tend not to be concerned about the problem - which can also affect radio communications by emergency services and air traffic control.
BBC: NEWS | Entertainment | Music fans 'turn to pirate radio'
The Interfax news agency said that even if radio contact cannot be established, an emergency crew could be sent to try to regain control over the station.
The firm is also making more imaginative use of its own technology it is hoping to sell its digital-radio-network technology to the federal police and emergency services.
Mr Anderson told Radio 4's Today programme the high-risk nature of emergency abdominal surgery was not being recognised.
BBC: Emergency surgery patients' lives at risk, say surgeons
Consumers can still expect the test to look and sound very similar to the local tests of the Emergency Alert System that are already conducted frequently in local markets on TV and radio.
FORBES: Will Right-Wing Radio Skip The National Emergency Test?
The capacity building of journalists and reporters, in collaboration with the State Authority on Radio and Television (SARFT) and national academic partners, on emergency broadcasting, professional reporting on food safety, and investigative journalism.
"In major incidents where the responding emergency personnel involved come from different jurisdictions or agencies, each using its own radio frequencies, the issue of radio communications among and between responding agencies remains a challenge, " Buckman told the senators.
Not only did that PSA air across the state, we partnered with a major retailer and a major radio manufacturer along with TV stations across Wisconsin to promote the use of emergency weather radios in every home.
WHITEHOUSE: Using Media Strategies to Boost Public Preparedness
However, one pirate radio DJ told the BBC that while pirate stations may have interfered with the emergency services in the past, it was now a rare occurrence.
Patrick Pelloux, head of France's Association of Hospital Emergency Ward Doctors, warned that many sick people would have to wait on stretchers for hospital beds, French radio reported.
As director of emergency services for the state of Arizona, Bobrow has made public education a major focus, with billboards, radio spots and other messages, driving people to a teaching website .
Dakar's mayor, Khalifa Sall, told RFM radio that the ramshackle development of densely-populated residential areas in the city made it impossible for the emergency services to operate effectively.
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