near field measurment

i need web site or note to let me know how to measure near field for small range antenna (3 meter ) with equation ?
regards

http://www.djmelectronics.com/articl...meters-p2.html
http://www.evaluationengineering.com.../1005the_world.

http://www.nearfield.com/

thx alot guy's

Added after 3 minutes:

thx alot guy's