Check Ebay:
http://cgi.ebay.com/BASE-ANTENNA-UPG...QQcmdZViewItem
Is this guy for real with "PRINCIPLE EXPLANATION... THIS UNIT IS A
STAINLESS STEEL TOP SECTION THAT SCREWS INTO THE TOP SECTION OF YOUR
EXISTING FIBERGLASS BASE ANTENNA, AND IT IS A PROVEN FACT STEEL ANTENNAS
OUT PREFORM FIBERGLASS IT ALSO HAS A METAL HELIX COIL TO INCREASE
RECIEVE .. THIS UNIT HAS A LOAD IN IT VERSES YOUR TOP SECTION THAT
DOESNT HAVE A LOAD THIS INCREASES TRANSMIT POWER BY DRAWING POWER TO THE
TOP LOAD..."
Bob