[Scan-DC] National Park Service--163.3375 and 169.7750

[David Schoenberger]

Just a note of thanks to all who responded about the Park Service.
Got some really quick (and good) responses.  It looks like they'll
continue to upgrade their radio systems over the next few months...

Dave

On Sun, Apr 20, 2008 at 6:59 PM, Lepine, Paul <lepine15 at comcast.net> wrote:
> Jus my two cents....But I believe the 168.3000 freq is only used by Park
> Rangers (which are different than Park Police).  I also hear Great Falls
> sign on using this frequency in the morning,  as well as in the evening.
>
>  I hear Park Police on the 166.9500 when they are patrolling the canal above
> Great Falls...up to White's Ferry and Dickerson Aqueduct.  I have also heard
> Park Ranger units from Harpers Ferry on this frequency using it in Harp
> Ferry and Brunswick area.
>
>  Paul
>
>
>
>  ----- Original Message ----- From: <johnson at cpcug.org>
>  To: "David Schoenberger" <davidschoenberger at gmail.com>
>  Cc: "ScanDC" <scan-dc at mailman.qth.net>
>  Sent: Sunday, April 20, 2008 6:35 PM
>  Subject: Re: [Scan-DC] National Park Service--163.3375 and 169.7750
>
>
>
>
>
> > Dave -
> >
> > That may be the new NPS repeater system they are installing to increase
> > coverage from Great Falls down into DC.
> >
> > Last year a ranger I was talking radio with at the GF Park (VA) told me
> > they would be installing another repeater at the "location of the school"
> > and pointed downstream.  I did not press him for more details but assumed
> > it may be at the Madiera School approx one-half of the way back to the
> > Beltway.  I have not stopped at the school to see if there was a new tower
> > on the grounds but as it is at a high point, that location would be a
> > candidate for the repeater.
> >
> > I would assume as they would be upgrading their coverage, they may also
> > may be upgrading the modes, etc.
> >
> > Might be related, might not.  Any input is helpful.
> >
> > On a side note, as you drive into the park from 193, take a look to the
> > back right as you pass the first driveway on the right, approx 100 yards
> > in.  At the hilltop is a tree cleverly disguised as a cell tower.
> >
> > Ralph Johnson
> >
> > Anyone have insight as to what's going on with the NPS and frequencies
> >
> > > 163.3375 and 169.7750?  I monitored a brief P25 conversation on these
> > > two freqs from Gravelly Point.  One seemed to be the input and the
> > > other the output of the same channel, or maybe they were both repeater
> > > outputs in a simulcast setup.  One unit was calling "Great Falls 800,"
> > > so these frequencies appear to be used for C&O Canal.
> > >
> > > By the way, the NAC for both frequencies is 4C5, which seems to be the
> > > NAC of choice for the Park Service in the DC area...
> > >
> > > Dave
> > >
> > > P.S.  The 168.3000 [141.3] frequency is still in use for the C&O
> > > Canal, as there was mention of Point of Rocks.  And then there's the
> > > 166.9500 frequency, which is also supposedly for the Canal.  How does
> > > it all fit together...??
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