How to modify Transmitter

1) How to modify my Transmitter / Receiver Antenna?
Free Antenna Modification : http://www. usbwifi.orcon.net.nz

2) How to send back Video signal from a Plane?
Guides and Result : http://holden.customer.netspace.net.au/rocketcam.html

3) Steps to Enhance Transmitting distance.

Up to 15dBi http://www.wb8erj.com/wirelessCantenna.html
Above are free source from the Internet,
Thank You to the Owners for their guidance.
(design of Antenna for Microwave & Wifi are similar, both will improve / double up the results)
Equipment recommends

A) 2.4GHz Transmitter & Receiver : http://www.choicecycle.com/2.41W.htm
B) Mini CCD Colour Camera : http://www.choicecycle.com/PINHOLE.htm

Advise : To achieve best result, Antenna should place as high as possible. Preferable Open Space and Line Of Sight.