I guess we have an urban myth on our hands. (Better
for April 1!)
I've verified to my satisfaction that this signal is
coming from local TV sets. Turning one set off cuts
the signal by a large factor. Tuning my 2 sets to the
same channel eliminates the beating tones that I get
when they are set to separate channels (with slightly
offset frequency standards). Etc Etc.
So this is generated in all our TV sets. The 8th
harmonic of the 3.579545 MHz color reference. Pretty
much everywhere in North America! Can we all go home
now? [Why the 8th harmonic? Beats me.]
This signal is a good frequency standard as an
alternative to WWV. The carrier is at 28.636360 MHz
+/- a few Hz between the various TV networks - maybe
with some 60 Hz hash. With the Orion, I compared this
against WWV and it agreed to better than 0.3 ppm.
73, Martin AA6E
--- "David S.McCallum" <w7sac2@cox.net> wrote:
I don't really know what it is, it's there to night
again (never goes
off) about 220 degrees from N/W Fla., S-3 with 756
pro and pre amp off.
First time I heard it awhile back I shut off my
computers and TV's and
no help. This morning about 0700 cst it was still on
there but there was
a voice qso about 28636 + or - but I couldn't
understand them (Spanish I
think) and then they went way. Put on your rit and
go the extreme top
and bottom of the carrier and see how fast it drops
off (don't know what
that means George, hahaha). Maybe some one has the
answer, Mac
David S. McCallum/USAF RET./CMSGT/W7sac/4
----- Original Message -----
From: "George" <w2yj@highstream.net>
To: <tentec@contesting.com>
Sent: Wednesday, January 05, 2005 5:55 PM
Subject: Re: [TenTec] RE 28.634
I thought there was a reply earlier today or
yesterday explaining that
this
was probably a color burst crystal frequency? The
note indicated that
the
power was turned off in the house and the signal
disappeared???
Can anyone verify that the signal is not internally
generated by our
modern
electronic "things"?
Help me understand.
George
----- Original Message -----
From: "David S.McCallum" <w7sac2@cox.net>
To: <tentec@contesting.com>
Sent: Wednesday, January 05, 2005 6:41 PM
Subject: Re: [TenTec] RE 28.634
> sent mine last night from N/W Fla
>
> David S. McCallum/USAF RET./CMSGT/W7sac/4
> ----- Original Message -----
> From: "Dave Edwards" <kd2e@comcast.net>
> To: <tentec@contesting.com>
> Sent: Wednesday, January 05, 2005 6:45 AM
> Subject: Re: [TenTec] RE 28.634
>
>
> So how 'bout some beam headings?
> Let's see if it can be triangulated (sp?)
> at all!!
> I'll check myself when I get home.
>
> ...Dave
> ----- Original Message -----
> From: "Tommy Bennwik" <bennwiktv@hotmail.com>
> To: <tentec@contesting.com>
> Sent: Wednesday, January 05, 2005 4:30 AM
> Subject: [TenTec] RE 28.634
>
>
>> 28.364 & 14.317 abt S-2 in Stockholm. Hiding
under my bed!
>> SM0PCA /Tommy
>>
>>
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