ANTENNA EXTENSION METHOD TO EXISTING ANTENNA STEEL TOWER AND ANTENNA STEEL TOWER FORMED BY THIS ANTENNA EXTENSION METHOD

摘要

PROBLEM TO BE SOLVED: To provide an antenna extension method to an existing antenna steel tower, and an antenna steel tower, for newly extending a digital communication and broadcasting antenna, in addition to an existing analog communication and broadcasting antenna, only by partially modifying the existing antenna steel tower.;SOLUTION: This method installs an extension antenna on the existing antenna steel tower having a steel tower, and an existing antenna supported by an antenna pole arranged in a tower top part; and installs the extension antenna on an extension antenna pole, by removing a frame body, by installing the extension antenna pole for installing the extension antenna in a space after removal, in a state of connecting an upper part to a lower part of an existing antenna pole, by removing a steel tower upper part covered with the frame body, after supporting and fixing the antenna pole for supporting and fixing the existing antenna by and to this frame body, by covering the steel tower upper part required for installing the extension antenna with the frame body.;COPYRIGHT: (C)2005,JPO&NCIPI