Wednesday, June 03, 2009

Keep It Simple Steve!

Quoted regularly in 'RadCom' by Pat Hawker back in the 70's and 80's KISS (Keep IT Simple Stupid....or Keep It Simple Steve!)
Came across this which gives a really simple way of extending the range of a Wi-Fi link. Wireless Network antennas are usually omni-directional and have a small 'rubber ducky' type helical aerial. Making it directional, hence increasing the gain can be useful. I know at school we have RF deadspots in rooms and i'm sure this would be useful.
The 'Windsurfer' is simply a piece of card covered in foil which acts as a reflector for the 'rubber duck'.

Here is the template and radiation pattern:

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