Re: Antenna types

I've never tried a commercial cantenna, but it was quite hard to get a
homebrew cantenna tuned and matched properly. I used an oversize tin (steel)
can. It happened to be a slightly incorrect dimension to properly match to
50 ohm (understandable, it's designed for storing food). I hooked it up to a
network analyzer and stuffed polyethylene in the can until it came up to 50
ohm--not easy to do without the network analyzer. If I were to do it again
and didn't have the test equipment available, I would just buy one (a
cantenna).

Dishes and yagis are nice, but big. I haven't used a panel, but they seem
bulky for walking/driving with too.

Tom

On 4/29/07, Lucio Crusca <[email protected]> wrote:
>
> Hi everybody,
>
> I'm new here, I'm new to wardriving, I'm not even from Seattle (I'm from
> Italy). So please be patient with my newbie questions...
>
> I'd like to purchase some hardware to do wardriving (warwalking, etc...)
> this summer. I plan to buy a 2511CD+ext2, a 7dBi omni directional antenna
> and a directional antenna. For the omnidirectional I guess there isn't
> much
> to say, they are all more or less the same except for their power, right?
> The directional antenna is what puzzles me... which type should I buy?
> Bare
> cantenna? Yagi? Panel? Will a home built cantenna perform just like a
> bought one? Will a 20dBi yagi outperform a 15dBi cantenna by 33% longer
> range?
>
> TIA for any advice.
>
> Lucio.
>
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