[EAS] Tsunami Warning - No Audio

[Lowell Kiesow]

You should look at your log and see who you received the alert from 
first, because duplicate messages are ignored by your box.  The 
glitch could have happened with that source, or  upstream of them.  A 
Tsunami warning should have originated with NWS, so if you monitor 
them, the problem could have been theirs.  One thing that will 
prevent the boxes from including the aural message is if it doesn't 
hear either the two-tone signal or a 1050 Hz tone.  The tones are 
what trigger it to record and relay the aural message.  For the NWS, 
it might be a manual step for them to send the 1050, so it could be 
simple operator error.  If the 1050 isn't there, your box thinks the 
message is just headers only.

Another thing that might screw up execution of alerts is audio to the 
monitor input that is way too hot or too low.  With the new Sage, you 
can meter all audio levels from the browser, which is very handy.

At 09:54 AM 3/14/2011, you wrote:

>In the early hours of Friday March 11 we received a tsunami watch and
>later a tsunami warning via EAS from our LP1, LP2 and the NWS.  The
>tsunami watch had audio associated with it.  But as received here the
>tsunami warning, arguably the more important of the two, did not.  So all
>listeners heard were the EAS tones and not the information about the
>warning.
>
>Did others experience the same thing or was this somehow unique to us?
>Our EAS box is a Sage Digital ENDEC.
>
>Thanks,
>
>RD
>
>======================================
>Richard Dillman - Transmitter Wrangler
>KWMR - West Marin Community Radio
>Pt. Reyes Station, California
>Phone: 415-663-8982
>======================================

         Lowell Kiesow, Chief Engineer
         KPLU 88.5, KVIX 89.3, KPLI 90.1
         www.kplu.org  www.jazz24.org