[Scan-DC] WMATA Trunked System?

Luke Berndt lukekb at gmail.com
Wed Oct 26 16:14:51 EDT 2016


With my Radio Shack 668 (GRE), I get some transmissions, but I had to
set the DSPLevelsAdapt from 64 to 16.

On Wed, Oct 26, 2016 at 4:08 PM, Jeff Krauss <jeff at krauss.ws> wrote:
> So, my BCD436 can receive and render WMATA without a problem.
> But my GRE and Radio Shack units cannot.
> I've added all the frequencies listed in Sentinel to the GRE units, on the
> theory that they've changed the control channel, but that didn't help.
> Any other ideas?
>
>
>
> At 02:28 PM 10/26/2016, Jeff Krauss wrote:
>>
>> Broadcastify is carrying WMATA loud and clear.
>> My PSR-500 is showing five bars of signal but no audio.
>> The audio from Montgomery County is rendered fine.
>> Same for NIH.
>>
>>
>>
>> At 01:48 PM 10/26/2016, Luke Berndt wrote:
>>>
>>> I have been having a lot of trouble trying to monitor the systems
>>> using my SDR. I get some broadcasts crystal clear and others have tons
>>> of digital noise. I am not sure if it is because some of the radios
>>> are doing the digital encoding differently or if I am tuning to the
>>> wrong frequencies. The custom frequency table is weird since it is
>>> UHF.
>>>
>>> Does anyone have any pointers on receiving WMATA?
>>>
>>> They have been moving the control channel around to alternate
>>> frequencies recently, so it could be that.
>>>
>>> My recordings are up here: https://beta.openmhz.com/wmata
>>>
>>>
>>> On Wed, Oct 26, 2016 at 1:39 PM, Jeff Krauss <jeff at krauss.ws> wrote:
>>> > For the past few days I have heard nothing on the WMATA 490 MHz trunked
>>> > system talk groups.
>>> > Can anyone confirm whether they hear anything?
>>> > Or has there been a change to their fleet layout?
>>> >
>>> >
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>>
>>
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