[MLB-WIRELESS] More antenna ideas (Was: Mobile phone antennas)

[Matt Pearce]

Doesnt look to bad, pity though it still wont keep me dry when it rains :-).

Matt.


----- Original Message -----
From: "evilbunny" <evilbunny at sydneywireless.com>
To: "Will Lotto" <lotto at impulse.net.au>
Cc: <melbwireless at wireless.org.au>
Sent: Monday, June 24, 2002 3:05 PM
Subject: Re[4]: [MLB-WIRELESS] More antenna ideas (Was: Mobile phone
antennas)


> Hello Will,
>
> Had it listed under the wrong section, anyways fixed that up...
>
> http://www.sydneywireless.com/links.php?op=visit&lid=19
>
> --
> Best regards,
>  evilbunny                            mailto:evilbunny at sydneywireless.com
>
> http://www.SydneyWireless.com - Exercise your communications
> freedom to make it do what you never thought possible...
>
> Monday, June 24, 2002, 2:16:12 PM, you wrote:
>
> WL> I couldn't find anything on sydneywireless, but google is your friendT
> WL> http://www.clearsat.com/product.htm
>
> WL> Were you referring to the "special umbrella dish covers" ... Pretty
> WL> funny, but I don't know how we'd justify having an outdoor table and
> WL> umbrella on the roof of a house :)
>
> WL> Will.
> >> -----Original Message-----
> >> From: evilbunny [mailto:evilbunny at sydneywireless.com]
> >> Sent: Monday, 24 June 2002 1:31 PM
> >> To: Will Lotto
> >> Cc: melbwireless at wireless.org.au
> >> Subject: Re[2]: [MLB-WIRELESS] More antenna ideas (Was:
> >> Mobile phone antennas)
> >>
> >>
> >> Hello Will,
> >>
> >> Have you seen the umbrella satellite dish?
> >>
> >> link somewhere in the ones on sydneywireless.com form memory...
> >>
> >> --
> >> Best regards,
> >>  evilbunny
> >> mailto:evilbunny at sydneywireless.com
> >>
> >> http://www.SydneyWireless.com - Exercise your communications
> >> freedom to make it do what you never thought possible...
> >>
> >> Monday, June 24, 2002, 1:14:03 PM, you wrote:
> >>
> >> WL> No, you are entirely correct.
> >>
> >> WL> The only reason galexy et al. dishes are a mesh rather
> >> than a dish
> >> WL> is because of wind loading.
> >>
> >> WL> The amount of braces needed to hold a 2M satallite dish
> >> steady in a
> >> WL> strong wind is huge compared to that needed to hold a wire dish.
> >>
> >> WL> Technically a plastic/flywire dish would be perfect for
> >> 802.11b, all
> >> WL> you need to do is put a standard galexy collector
> >> (designes will be
> >> WL> somewhere on the net) at the focal point of the parabolic
> >> dish and
> >> WL> you're set. ... Now all you've gotta do is hold the thing steady.
> >>
> >> WL> I would recommend lard, but I don't know how well it
> >> WL> reflects/absorbs/is transparent to 2.4ghz radio signals. I'm not
> >> WL> sure if many studies have been conducted in this area either.
> >> WL> MelbWireless could lead the world on 2.4ghz lard studies. .. You
> >> WL> never know :)
> >>
> >>
> >> WL> Will.
> >>
> >> >> -----Original Message-----
> >> >> From: owner-melbwireless at wireless.org.au
> >> >> [mailto:owner-melbwireless at wireless.org.au] On Behalf Of
> >> >> fenn_b at smktech.com.au
> >> >> Sent: Monday, 24 June 2002 11:47 AM
> >> >> To: melbwireless at wireless.org.au
> >> >> Subject: RE: [MLB-WIRELESS] More antenna ideas (Was: Mobile
> >> >> phone antennas)
> >> >>
> >> >>
> >> >> > this might be fun to try some time...  mind you, my
> >> antenae theory
> >> >> > is non-existant, so this might just be a
> >> >> pipe dream...
> >> >> >
> >> >>
> >> >> On the theme of antenna ideas, pipe dreams and a complete lack of
> >> >> antenna theory: ;)
> >> >>
> >> >> I have been having a think about this - I have access to suitable
> >> >> machinery to manufacture a perfect parabolic dish template (in
> >> >> whatever: metal, wood, plastic, lard). I was thinking - Would it be
> >> >> possible/worthwhile with such a template to use something like
> >> >> fiberglass matting + some sort of metal core (flywire?) laid
> >> >> over it to
> >> >> form a very cheap, very light, high-gain parabolic dish
> >> >> suitable for our
> >> >> purposes?
> >> >>
> >> >> If it's useful, we could have an group antenna-day and churn
> >> >> out a whole
> >> >> heap of them to replace the lack of easy-to-obtain galaxies.
> >> >>
> >> >> Am I just waaaaaaaaaaaaay of base here or maybe onto
> >> something that
> >> >> could be construed as slightly more than completely useless? ;)
> >> >>
> >> >>       Fenn.
> >> >>
> >> >>
> >> >> To unsubscribe: send mail to majordomo at wireless.org.au
> >> >> with "unsubscribe melbwireless" in the body of the message
> >> >>
> >>
> >>
> >> WL> To unsubscribe: send mail to majordomo at wireless.org.au
> >> WL> with "unsubscribe melbwireless" in the body of the message
> >>
>
>
> WL> To unsubscribe: send mail to majordomo at wireless.org.au
> WL> with "unsubscribe melbwireless" in the body of the message
>
>
> To unsubscribe: send mail to majordomo at wireless.org.au
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>



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