[Scan-DC] Mt. Vernon; zoo?

[Andrew Clegg]

Dave and David,

Thanks for the clarifications!

Andy

----- Original Message ----- 
From: "David Schoenberger" <davidschoenberger at gmail.com>
To: "Scan-DC list" <scan-dc at mailman.qth.net>
Sent: Monday, June 23, 2008 2:01 AM
Subject: Re: [Scan-DC] Mt. Vernon; zoo?


> Andy,
>
> The 409.4250 frequency is part of the LTR PassPort system used at the
> Zoo for police/staff.  That's why it has the "key-ups" every few
> seconds.  418.4250 is the input to 409.4250 (most fed repeaters
> between 406-411 MHz now have inputs 9 MHz higher).
>
> Dave
>
> On Sun, Jun 22, 2008 at 8:39 PM, Andrew Clegg <w4jecom at w4je.com> wrote:
>> Thanks Dave! Interestingly, the one frequency I found at Mt. Vernon is 
>> not
>> in the RR list. Also, today I found some freqs at the zoo that are not in
>> the RR list either. For what it's worth, here's what I found on Close 
>> Call
>> (all analog) at the Zoo:
>>
>> NATIONAL ZOO 6/22/08
>> o Mostly parking, plus some other ops (very active): 463.975
>> (output)/468.975 (input) (both DCS632)
>>
>> o General ops: 409.425 & 418.425 (not in the RR list). These freqs 
>> weren't
>> as active, plus the 409.425 MHz channel has constant once-per-second 
>> key-ups
>> (approximately) for some reason. It makes it difficult to include it in 
>> your
>> scan list.
>>
>>
>> At Mt. Vernon, they offer what they call an "Antenna Audio Tour," which 
>> is a
>> little radio receiver you rent for $6 that provides additional 
>> information
>> on the various things that you see. I believe it may just tune into
>> low-power transmitters placed at each point-of-interest, but CC did not 
>> lock
>> on to anything. Next time I go I may rent one just to get the FCC ID off 
>> of
>> it so I can look up what frequency it uses. It's possible that it uses
>> something that CC would not get, like spread spectrum at 902 - 928 MHz, 
>> or
>> it uses a band that the 246T doesn't support, like 315 MHz. If anyone 
>> knows
>> anything about this system, please chime in.
>>
>> Regards,
>> Andy
>>
>>
>> ----- Original Message ----- From: "David Schoenberger"
>> <davidschoenberger at gmail.com>
>> To: "Scan-DC list" <scan-dc at mailman.qth.net>
>> Sent: Sunday, June 22, 2008 3:58 PM
>> Subject: Re: [Scan-DC] Mt. Vernon; zoo?
>>
>>
>>> Andrew,
>>>
>>> Here are some frequencies for Mount Vernon:
>>>
>>> http://www.radioreference.com/apps/db/?aid=3138
>>>
>>> (The tones may have changed for one or more of the frequencies.)
>>>
>>> I guess it might be too late for your trip, but the Zoo has some
>>> frequencies on this page (see the Federal section):
>>>
>>> http://www.radioreference.com/apps/db/?ctid=315
>>>
>>> The Zoo also uses this LTR PassPort system:
>>>
>>> http://www.radioreference.com/apps/db/?sid=4696
>>>
>>> Dave
>>>
>>> On Sun, Jun 22, 2008 at 9:24 AM, Andrew Clegg <w4jecom at w4je.com> wrote:
>>>>
>>>> At Mt. Vernon yesterday, Close Call grabbed one frequency: 469.5125 
>>>> MHz.
>>>> I
>>>> did not actually hear the activity on that band, but I noticed that
>>>> almost
>>>> all of the staff were carrying radios marked "T450," so it may have 
>>>> been
>>>> one
>>>> of those. Can anyone point me to a more complete list for Mt. Vernon?
>>>>
>>>> I am heading to the zoo today. Anyone have frequencies for that?
>>>>
>>>> Cheers!
>>>> Andy
>>>>
>>>>
>>>> _______________________________________________
>>>> Scan-DC mailing list
>>>> Home: http://mailman.qth.net/mailman/listinfo/scan-dc
>>>> Help: http://mailman.qth.net/mmfaq.html
>>>> Post: mailto:Scan-DC at mailman.qth.net
>>>>
>>> _______________________________________________
>>> Scan-DC mailing list
>>> Home: http://mailman.qth.net/mailman/listinfo/scan-dc
>>> Help: http://mailman.qth.net/mmfaq.html
>>> Post: mailto:Scan-DC at mailman.qth.net
>>>
>>
>>
>>
> _______________________________________________
> Scan-DC mailing list
> Home: http://mailman.qth.net/mailman/listinfo/scan-dc
> Help: http://mailman.qth.net/mmfaq.html
> Post: mailto:Scan-DC at mailman.qth.net
>