Tom,
I had to go back and read the original post, and have a question
for the OP:??
"i
am looking for a dtmf decoder to connect to a receiver to decode
our local EMA whelen siren to give a message on the repeater
that the sirens have been activated i monitor the frequency that
they activate the sirens on and the dtmf is very fast i am sure
different tone sequence has different meanings i just want an
announcement that the sirens were set off ,any thoughts ? "
Is
this siren operated by the EMA a tornado or other public
warning device, or is it fire siren or similar??
VY
73
Martin
Flynn
W2RWJ
On 5/26/2025 5:14 PM, Tom Cole wrote:
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?
Chris,?
?You love to say something is illegal with nothing to back
it up. You most certainly can automatically re broadcast
emergency information, or in this case, broadcast a message
that the emergency alert system has been activated. Cite and
quote verbatim your passages to the contrary. Many systems
automatically re broadcast the alerts from the NWS using the
SAME codes to key the transmitter. All that is required is
that the control operator can kill the transmission if
needed.?
Hint, 97:113 specifically allows what he is wanting to do.
Read it for comprehension, instead of with your normal bias.?
On May 26, 2025, at 3:56?PM, Chris
Boone WB5ITT via groups.io
<setxtelecom@...> wrote:
?
Having any announcement, etc on the
repeater output automatically from the Wheelan siren
system is not allowed under Part 97.....You?COULD change
CT or something similar but it cannot key the repeater
xmtr when it decodes..that is improper control of an
amateur station.
Chris
WB5ITT
Thanks Mike i know the frequency they use i have
not told any one i will not transmit the tones just
operate a relay when the tones are decoded they will
not go out over the air?
?
