<div style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: arial">With spring storm season on its way, I would like to add the NWS <SPAN contentEditable=false style="DISPLAY: inline-block"></SPAN>Emergency Alert System messages to my setup. I wonder what other people are doing? Before I do an entirely hardware-based approach I wonder if there is some software approach that would eliminate some relays and cables and maybe function better?</div>
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<div style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: arial">I have a simple radio that does the SAME decoding and can turn on signals for 'alert' and 'warning' and so forth. Repeater-builder has an article about using these, but my recollection is that when a warning statement has been issued, the warning light stays on the whole time - until the warning is canceled. The EAS messages are, by definition, always less than 2 minutes.</div>
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<div style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: arial">What I would like to do is just play the message once whenever the NWS blows the horn (1050 Hz tone lasting from 8-20 seconds).</div>
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<div style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: arial">Seems to me that the require functionality (if one were willing to dedicate a URI to the weather radio) would be to listen for the tone (1050 Hz for 7 seconds or more) then, when the tone stops, link-in the audio until the end-of-message AFSK burst is detected - or two minutes, whichever comes first.</div>
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Note: I have the MP3 forecasts (podcasts) already working on the machine but the EAS messages are not sent in MP3 format, being considered too critical for that.</div>
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<div>Ken Jamrogowicz</div>
<div>27021</div>