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Re: [TowerTalk] Tower Lighting

To: "'Tower and HF antenna construction topics.'" <>
Subject: Re: [TowerTalk] Tower Lighting
From: "D Calder" <>
Reply-to: "Tower and HF antenna construction topics." <>
Date: Fri, 23 Apr 2010 07:11:03 -0400
List-post: <">>
Because it's required to have WHITE during the day at a different
intensities and then than RED at night. It's called
a "dual mode" system.

If you want the whole scoop. Download the 7460. Page 56 shows the heights.

If it's strobing RED during the day. The PEC is broke and not telling it to
get out of night mode. Also, it should NEVER run red
and white at the same time.

happy reading

73 Dave

--- On Wed, 4/21/10, Larry Burke <> wrote:

> From: Larry Burke <>
> Subject: Re: [TowerTalk] Tower Lighting
> To:
> Date: Wednesday, April 21, 2010, 8:50 PM
> You may have just answered one of the
> great mysteries of my morning commute.
> Recently a 2000 foot commercial tower was erected not too
> far from where I
> live. It has BOTH flashing red lights and strobes, but they
> do not run at
> the same time. At daybreak the reds go off and the strobes
> go on. At dusk,
> the opposite takes place. Two other nearby 2000 footers
> have strobes on
> 24/7. None of these towers is painted red/white. So it
> sounds like it's
> legal to run strobes during the day but not red lights....
> and strobes are
> required during the day if there is no red/white painting?
> This still does not answer the question why the new tower
> has two lighting
> systems. Why not just run strobes all the time and not
> bother with red
> lights at all?
> Larry K5RK
> -----Original Message-----
> From:
> []
> On Behalf Of D Calder
> Sent: Wednesday, April 21, 2010 3:30 PM
> To: 'Tower and HF antenna construction topics.'
> Subject: Re: [TowerTalk] Tower Lighting
> Not legal. You can't leave them on all the time. I'm
> assuming these are red
> only incandescent at night
> and this tower is painted red/white for daytime?
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