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Jim
 Post subject: Tsunami sirens
PostPosted: Mon Apr 10, 2017 5:17 pm 
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Angus Cheeseburger
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This tsunami siren is located near Ocean Shores, WA.

Birch Bay and Blaine are getting them soon.

Does anyone know what frequency triggers them to alarm?


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Grays-Harbor-Siren.jpg
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icom1020
 Post subject: Re: Tsunami sirens
PostPosted: Mon Apr 10, 2017 8:38 pm 
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oh no...

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Wilrobnson
 Post subject: Re: Tsunami sirens
PostPosted: Mon Apr 10, 2017 9:05 pm 
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LERN or NLECS.

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chpalmer
 Post subject: Re: Tsunami sirens
PostPosted: Tue Apr 11, 2017 4:06 pm 
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Depends on the area. They are all different.

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Rich
 Post subject: Re: Tsunami sirens
PostPosted: Wed Apr 12, 2017 10:59 am 
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Jim wrote:
Does anyone know what frequency triggers them to alarm?


I don't suppose you just returned from a trip to Dallas ?

https://arstechnica.com/information-technology/2017/04/dallas-siren-hack-used-radio-signals-to-spoof-alarm-says-city-manager/
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Jim
 Post subject: Re: Tsunami sirens
PostPosted: Wed Apr 12, 2017 11:51 am 
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Angus Cheeseburger
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Was nowhere near there! :)

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safetysaurus
 Post subject: Re: Tsunami sirens
PostPosted: Thu Apr 13, 2017 7:04 am 
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I believe that quite a few along the coast actually controlled by satelite.
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Craig H
 Post subject: Re: Tsunami sirens
PostPosted: Thu Apr 13, 2017 2:19 pm 
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The attached pic looks like a VHF 1/4 wave mast mounted about mid point on the pole ?

I recall that both Oak Harbor and Coupeville use a 155.xxx freq w / DCS for voice ( public address ) override.
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TechnoWeenie
 Post subject: Re: Tsunami sirens
PostPosted: Thu Apr 13, 2017 10:18 pm 
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Rich wrote:
Jim wrote:
Does anyone know what frequency triggers them to alarm?


I don't suppose you just returned from a trip to Dallas ?

https://arstechnica.com/information-technology/2017/04/dallas-siren-hack-used-radio-signals-to-spoof-alarm-says-city-manager/


I like the way they think.

Find a system, figure out how it works, then test it....

Not cool that they kept doing it but........

They just need to hire them to work at 'the radio shop' to keep them on the right path..

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Wilrobnson
 Post subject: Re: Tsunami sirens
PostPosted: Sat Sep 15, 2018 11:46 pm 
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I recently found a reference to 154.3025 (CSQ) as "Tsunami" for the Jefferson County area. This is also VFIRE-26 and usually carries a tone of 156.7, but this referred to it as carrier squelch. Not sure if it has any relation to sirens or if it's designated as an evacuation tac channel?

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Mark
 Post subject: Re: Tsunami sirens
PostPosted: Fri Sep 21, 2018 6:57 am 
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Just guessing that it takes more than just a key-up at 5W. Just a guess....
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Jim
 Post subject: Re: Tsunami sirens
PostPosted: Fri Sep 21, 2018 9:21 am 
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Angus Cheeseburger
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http://wireless2.fcc.gov/UlsApp/UlsSear ... ey=2777215

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chpalmer
 Post subject: Re: Tsunami sirens
PostPosted: Fri Sep 21, 2018 8:12 pm 
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Location: Puget Sound
Jim wrote:
http://wireless2.fcc.gov/UlsApp/UlsSearch/license.jsp?licKey=2777215


Homeland Security Region 2 UTAC and VTAC.

Clallam Jefferson and Kitsap were licensed on them. My guess is they all three still are.

Alias Reg2(*)Tac

Sirens take another input besides carrier.

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N7QOR
 Post subject: Re: Tsunami sirens
PostPosted: Fri Sep 21, 2018 8:13 pm 
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Mark wrote:
Just guessing that it takes more than just a key-up at 5W. Just a guess....


Perhaps some research is in order ...
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Jim
 Post subject: Re: Tsunami sirens
PostPosted: Sat Sep 22, 2018 9:04 am 
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Angus Cheeseburger
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Next time try whistling and don't forget to give your call ! ;)

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