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SAME (Specific Area Message Encoder) Codes
When an NWS office broadcasts a warning, watch or non-weather emergency, it also broadcasts a digital SAME code that may be heard as a very brief static burst, depending on the characteristics of the receiver. This SAME code contains the type of message, county(s) affected, and message expiration time.
A programmed NWR SAME receiver will turn on for that message, with the listener hearing the 1050 Hz warning alarm tone as an attention signal, followed by the broadcast message.
At the end of the broadcast message, listeners will hear a brief digital end-of-message static burst followed by a resumption of the NWR broadcast cycle.
SAME is also used in the Emergency Alert System (EAS). Using SAME, broadcasters may receive NWR warning messages for rebroadcast in accordance with EAS rules.
for the surrounding area
Only the most imminent life- and property-threatening hazards are broadcasted
with the SAME signal and 1050 Hertz warning alarm tone, where the public has to
take immediate action to protect themselves and their property. An operational
guideline is that messages are alerted only for hazards urgent enough to warrant
waking people up in the "middle of the night" or otherwise interrupting
someone's activities at any time.
The following messages are sometimes alerted if they apply to the coverage area of the transmitter, depending on the circumstances and the area of the country. Check with the National Weather Service programming office of the NWR transmitter:
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