PREFACE TO THE SPECIAL ISSUE OF THE JOURNAL OF THE IASS 'MASTS AND TOWERS'

摘要

Communication structures, in the modern sense -masts and towers - are known by everybody as these structures are placed visibly in the open landscape as well as in the middle of our cities. The tall masts and towers for broadcasting of radio and TV have gradually been accepted by the public, as the focus now is on numerous smaller masts, towers and poles primarily for mobile networks.