[MLB-WIRELESS] Downpipe Waveguide Antenna

[Robert Tchia]

-----Original Message-----
From: syd-wireless-admin at lists.sydneywireless.com
[mailto:syd-wireless-admin at lists.sydneywireless.com] On Behalf Of
evilbunny
Sent: Tuesday, 3 December 2002 9:00 PM
To: syd-wireless at lists.sydneywireless.com
Subject: [Syd-Wireless] FYI



-- 
Best regards,
 evilbunny
mailto:evilbunny at sydneywireless.com

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This is a forwarded message
From: Rob Clark <clark at erlang-software.com>
To: wireless at innaloo.net
Date: Tuesday, December 3, 2002, 8:54:30 AM
Subject: [Perth Wireless] ANNOUNCING: The Downpipe Waveguide Antenna

===8<==============Original message text===============
All Hobbyists,

I have fiddled around with a 'cheaper' version of the Trevor Marshall
Waveguide antenna (as used by most APs in Perth). I concluded my testing
yesterday, and the 'cheap' version (made from ZincAlum downpipe)
performed 2 dB better than my original 3mm Aluminium waveguide antenna.

Considering this antenna is so much easier to make, (and material is
MUCH easier to get)....this is a good choice for us Hobbyists. (I am not
recommending for 'commercial' installations).

Also....found some UV-resistant, microwave-transparent tape!

For details, see:

http://www.erlang-software.com/FreeNet/Waveguide/

Cheers

Rob






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