At Monterey Peninsula College Field they had 18 x 2KW lamps for 36 KW per
pole x 4 poles at the field on each 100 ft support. The light emitted was
quite blue-white, as opposed to yellow-ish.
Call it 160KW when all lit.... say $20/hr for lights?
Are those lights likely to be noise makers?
Sincerely, Pat Barthelow aa6eg@hotmail.com
http://www.jamesburgdish.org
Jamesburg Earth Station Moon Bounce Team
http://www.cq-vhf.com
>From: Jim Lux <jimlux@earthlink.net>
>To: "Bill Parry" <BPARRY@RGV.RR.COM>,"'Gary \"Joe\" Mayfield'"
><gary_mayfield@hotmail.com>,<towertalk@contesting.com>
>Subject: Re: [TowerTalk] Stadiums as Tower/Contest Locations
>Date: Wed, 04 Jul 2007 13:28:13 -0700
>
>At 06:18 AM 7/4/2007, Bill Parry wrote:
> >Interesting idea. (Speaking only of college stadiums.) I bet it would
>cost a
> >lot to take one of those things down. You would probably have to hire a
> >really really big crane! I had originally thought of using the light
> >standards to get our long wires higher for field day but was told to
>forget
> >using them. I had thought about using a bow and arrow from the top of
> >seating area in the stadium to shoot a small rope over the lights. I was
> >told that the "aiming of those lights was a big deal and if I screwed it
>up
> >I would have to pay to get it "re-aimed". I think there is supposed to be
>a
> >certain number of candlepower of light on the field so the players can
>see.
>
>Some years ago, I wrote some software to figure out the aiming. It's
>not so much the brightness, but the evenness and lack of confusing
>shadows that's important. It's a tedious chore to do the
>aiming. YOu figure out where the "center of the beam" hits the
>ground, and put out little flags on the field for each lamp. Then
>someone goes up in a bucket truck or on the ladders, and you turn on
>one lamp at a time while someone stands on the aim point and signals
>which way to move the fixture.
>
>Not a whole lot different than setting lighting instruments in a
>theater. (and, in fact, these days, there's all kinds of cool
>lighting design software that lets you figure out what it's going to
>look like ahead of time.)
>
>
>
> >High school stadiums, on the other hand are used frequently at night
>during
> >the school year. This requires some forethought but Field Day is in June
>and
> >few schools are using these facilities during June, in fact many
>districts
> >are shut down for a couple of weeks during this time.
>
>Graduations?
>
>But the shutdown might actually be a hindrance... they might want
>their grounds crew there.
>
>
> >In the past few years there have been some court cases that require
>school
> >districts to give equal access to facilities to everyone if access is
>given
> >to anyone. Unfortunately, this has forced public school districts to be
>VERY
> >careful about how they let facilities be used. If your local school board
> >gets involved, you can probably expect to be turned down.
>
>
>Might try private or parochial schools.
>
>
>_______________________________________________
>
>
>
>_______________________________________________
>TowerTalk mailing list
>TowerTalk@contesting.com
>http://lists.contesting.com/mailman/listinfo/towertalk
_______________________________________________
_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
|