Show national forests being tested for use of radio radia the national forests are to be tested for the use of radio comman com communication mun in fire protection work the forest service united states department of agrico agriculture itu re announces the advice of national authorities on radio and preliminary trials of radio apparatus disclose the fact chat while radio communication under ordinary conditions is i fairly reliable no one knows whether it can be made to work under national forest conditions where low powered radio waves ill be affected by absorption by trees and the deflecting influences of rough topography the only way vay to fin I 1 I 1 out says the forest service is is painstakingly lv to test the national forests to see if they are adapted to radio it now appears reasonably sure that a low power code transmitting and voice receiving set can be developed that will be light enough to be packed on a horse and sturdy and simple enough to be used in the thousands anus of trail construction camps maintained on the national forests during the fire season it is vital to keep these camps in in communication in order that the trail makers may be summoned to help in fighting fires but it is is practically impossible to k keep beep lh them e in all tied in with emergency lines to the existing system of telephone communication muni cation |