2 Gigahertz Light Route Radio Relay Link between Asmara and Massawa

Abstract

In this paper is discussed the general problem involved in the introduclion of a recently installed light capacity radio relay system in the network of the Imperial Board of Telecommunications of Ethiopia. An outline of the factors governing the choice of appropriate systems and reasons for selecting microwave is given. Some details of the principles of designing short haul microwave systems are included. The general installation problem, choice of suitable frequencies and propagationdifficulties are discussed. Some general description on the opera/ion of a system installed between Asmara and Massawa recently, together with some details of future systems have been included.