grcore
GOP FAIL
join:2003-12-06
usa
edit:
August 19th, @04:53PM
| reply to olanin1
Re: Make my own omni antenna from coper wire
said by olanin1  :
It says with 24 inches of copper wire you can make a 7dBi omni antenna. Is that true? If I use 48 inches of copper wire can I make a 14dBi antenna? 96 inches for 28dBi?
Theoretically you can make a 7dbi antenna out of copper wire, but it is not going to stand on its own. And if any of your measurements are even slightly off, its not going to get 7dbi.
There are omni's that get a higher dbi, but the pattern is like a pancake, and are only for real special applications.
1) determine what you want to do.
2) then ask for reccomendations on antenna's.
I bought the cable/connector kit he sells, and for the price its ok. I made a waveguide that pulls in about 14dbi out of a section of 4" duct. I don't use it much, but it was a fun experiment. I also made some bi-circle and bi-quad style antennas. Just to see how they worked, and to learn.
For anything other than experimentation, commercially produced antenna's are the way to go. I have had good success with some of the panel antennas for shorter range stuff (a mile or two). For longer range links, get a parabolic dish.
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