[EAS] RWT trigger detection

[Marcos O'Rourke]

FYI, I know that the Sage unit allows you to send a simple contact closure to send an RWT.

--
Marcos O'Rourke, CBRE, CBNT
Engineering
K-Wave_Radio_Network

Chair
Orange_County_EAS_LECC

On Thu, Jul 5, 2012 at 3:39 PM, Dale Lamm <DLamm at whbc.com> wrote:
>[snip]

>With all the remotely located EAS boxes at transmitters, especially at
>full power translators, owned networks, and other difficult to access
>locations, what would the the practical thought be on a means to have
>the box itself look for an embedded code (think DTMF string) to activate
>the RWT or forward a message (think RMT).

>The source audio cut would carry the DTMF string at the end of the EAS
>intro for stations or networks who wish to automate their tests and
>don't have closure capability.

>[end]

>Ham radio repeaters are controlled by DTMF all the time, so the concept
>is do-able from a technical point of view.

>At one time we controlled a Marti repeater over a dial-up POTS. At the
>repeater site, a Broadcast Tools box auto-answered and decoded DTMF
>tones, firing relays to control the Marti transmitter.

>How about using a channel on the site's remote control to pull in a
>relay which initiates the RWT? Understand this is not workable for
>un-managed translators.

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