[Scan-DC] DCA Tower

Henry Bright hcbright10 at gmail.com
Thu Sep 9 21:33:02 EDT 2021


Sounds like DCA split 119.1 and 134.35 again tonight (~2000E). Both
frequencies had simultaneous broadcasts and different controllers.

Henry

On Wed, Sep 8, 2021 at 11:17 Dewey <dewey3 at gmail.com> wrote:

> Oh yea, me thinks it's just temporary; however, I always reserve the right
> to be wrong.  When the split occurred, the helicopter traffic was EXTREMELY
> busy at the time... almost as if DCA knew there would be a lot of
> helicopters in the area.
>
> Dewey
>
> -----Original Message-----
> From: Andrew Clegg <andrew_w_clegg at hotmail.com>
> Sent: Wednesday, September 8, 2021 10:55
> To: Dewey <dewey3 at gmail.com>
> Cc: scan-dc at mailman.qth.net
> Subject: Re: [Scan-DC] DCA Tower
>
> I didn’t see your final sentence coming!
>
> Do you think this split could be temporary?
>
> Andy
>
>
> > On Sep 8, 2021, at 10:34 AM, Dewey <dewey3 at gmail.com> wrote:
> >
> > I know some time back, a number of us were talking about the lack of
> > reception of the DCA tower frequency for aircraft (119.100).  The
> consensus,
> > which I agree, is that the tower aircraft frequency is somehow set so it
> is
> > probably propagated upward toward the approaching and departing planes.
> In
> > fact, I know that the last time I was at Gravelly Point (before the
> > pandemic), I couldn't even hear the tower just on the other side of the
> > estuary.   This morning was a prime example of that for me.  I was
> hearing
> > the tower almost full quieting on the 134.350 helicopter frequency while
> the
> > 119.100 aircraft frequency was not even breaking squelch for the tower's
> > transmissions.  I was listening to both frequencies simultaneously on two
> > different receivers running through the same antenna and distribution
> > amplifier.  I even switched the helicopter/aircraft roles of the
> receivers
> > and still had the same results.  Just something I thought about this
> morning
> > as the tower came booming in on the helicopter frequency.  The "fun"
> ended
> > about a half hour ago when it appears that they've now separated the
> > 119.100/134.350 transmissions.
> >
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