[MLB-WIRELESS] Colorbond/roof insulation interference.

[lkhoo at csc.com.au]

John said :

>2.4GHz radio waves (as used in WLANs) will not propagate though metal.
>A colorbond roof will block any signal from an antenna in the roof space.
>(Possibly you will get a weak signal though the ceiling, but any decent
>singal will be a fluke.)

Thanks. I didn't think it would work. In the interests of science I might
have a go and see what I get. :)

>Typically an omni will have a null on it's axis, so an antenna directly
>below it will be in a favourable position.


So something like the below would work fine? Or would the omni need to be
clear of the galaxy overlap area?
(warning crappy ascii art ahead, not sure if it will work)


()
||
||  <------ 6db omni
||
||    /
||   /
||  /    <---- overlap area!
|| /
||/
()----------\
()----------/     <--- ex galaxy
|\
| \
|  \
|   \
|    \
|
|
|
|
|
|     <---- Mast
|
|
|
------------ <- roof



Lucas


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