greertech antenna

hi
any information on how to design and construct a loop antenna pls pass it to me highly appreciate.

A quick search on "loop antenna" on www.google.com gave the following result:

http://www.frontiernet.net/~jadale/Loop.htm
http://www.standpipe.com/w2bri/
http://www.datacomm.ch/hb9abx/loop1-e.htm
http://www.qsl.net/mnqrp/Loop/Mag_Loops.htm
http://www.radioworks.com/nloop.html
http://www.mindspring.com/~loop_antenna/
http://www.hard-core-dx.com/nordicdx...9ay/index.html
http://www.kb6kq.com/
http://www.schmarder.com/radios/misc-stuff/loops.htm
http://www.g3ycc.karoo.net/loop.htm
http://www.alphalink.com.au/~parkerp/nodec97.htm
http://www.greertech.com/hfloop/mymagloop.html

and several other hits.