This will hopefully show how you to make a wifi antenna and find sum wireless networks...
Step 1: Making It
For this one u will need: Chicken Wire, A Hollow Pipe
1. Place the chicken wire on the pipe centered in the middle as shown in the picture bellow.
Step 2: Attaching the Pipe To The Chicken Wire
Attach The pipe To The Chicken Wire using Tie Wire by sliding it under the pipe and pulling it up as shown in the picture.
Step 3: Attching Wood On The Back To Hold The Wire
Using Tie Wire Attach The Piece Of Wood To The Chicken Wire To Hold The Chicken Wire As Shown In The Image
Step 4: Placing The Usb Wifi Inside
Feed The Usb Wire Through The Pipe and Drill Holes in The Pipe To Hold The Usb in Place As Shown In The Image..
Step 5: The Results
Plug The Usb Into The Pc/Laptop And You Should Get Some Wireless Signals Around Yuor Neighbour Hood