[MLB-WIRELESS] Dish focal Calculation

[emdeex]

the formula for parobolas is at Stan Swans website at
http://www.usbwifi.orcon.net.nz/

try:

http://www.usbwifi.orcon.net.nz/usbscoop.jpg

On 6/11/06, Datec <datec01 at optusnet.com.au> wrote:
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> Hi everyone,
>
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> Could someone please tell me the correct way to focus an ex galaxy dish.
>
> I've made a cantena collector but don't know exactly (apart from trial and
> error) where is the focal point of the dish, seeing it is only part of a
> larger curve.
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> I can get a rough idea of where to point the dish but when I'm looking for a
> spot in the (far) distance I'm not sure if it's the setup or the bad aiming
> which is causing me to not find targets. Basically I've got to find how to
> aim the dish and also how to aim the cantena more accurately.
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> Thanks Peter
>
> Node JGA
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