[Scan-DC] Priority tone for Arlington County PD

[cameron zotter]

I found a kit<http://www.ebay.com/itm/LM567-Tone-Decoder-IC-Design-Kit-1-1505-/390119174756>on
ebay that allows you to detect tones.

I'll report back once I build it.



On Sat, Apr 6, 2013 at 11:52 PM, Alan Henney <alan at henney.com> wrote:

>
> There was a program that would decode the audio frequency.  I think it was
> counter.exe.
>
> Maybe Mike Agner can help us with the link?  I couldn't find it.
>
> Is there something better we can use to decode single and two-tone
> signaling?
>
> Alan
>
>
> ----- Original Message ----- From: "cameron zotter" <camzotter at gmail.com>
> To: "Scan- DC" <scan-dc at mailman.qth.net>
> Sent: Saturday, April 06, 2013 2:12 PM
>
> Subject: [Scan-DC] Priority tone for Arlington County PD
>
>
>  Does anyone know what frequency the Arlington County priority tones are?
>>
>> For the FD, I have recorded the tone (attached) and it seems to be close
>> to
>> 1khz. I have not recorded the PD tone, since it's much harder to catch. I
>> have a feeling it's the same as the PD.
>>
>> Does anyone have a recording of the PD Priority Tone?
>>
>> I am building a PSR800 auto-scanner that listens for priorities and only
>> turns the scanner audio on once a priority happens.
>>
>>
>> Thanks! Enjoy the beautiful weekend.
>>
>>
>
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