[EAS] FEMA RWTs

[Adrienne Abbott]

Greg--
One of my LP stations received and logged today's FEMA IPAWS CAP RWT. 

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Alert Received at 04/03/23 11:00:39 from CAP IPAWS
Log Only.
The Civil Authorities have issued a Required Weekly Test for all of California, all of Nevada, all of Oregon, and all of Washington beginning at 11:00 am and ending at 12:00 pm (fromcap). Test Message IPAWS OPEN CAP EAS Feed 
Configuration Test Message

Adrienne

> On Apr 3, 2023, at 2:25 PM, KALX Engineering engineering at kalx.berkeley.edu> wrote:
> 
> I've heard that the FEMA RWTs that were sent out on 3/27 and today (4/3) should have used a valid digital signature.  Alas, my Viavi/Trilithic box is telling me that the signature failed verification.  This leads me to ask a few questions:
> 
> 1. Anyone out there care to verify that their non-Viavi/Trilithic boxes are confirming a valid signature?
> 2. Is there anyone else out there with a Viavi/Trilithic box?  (I often feel like we're the only station that has one...). If so, what is it saying about the last two FEMA RWTs?
> 3. Did something change about what should constitute a valid signature?  Back before this whole kerfuffle with FEMA being unable to issue proper RWTs, my box was properly confirming FEMAs signature.  Perhaps Viavi's latest software update broke something about their certificate?  Perhaps Viavi needs to issue some sort of update or fix?