Ballard, William Cyrus, Jr · New York [etc.] McGraw-Hill company, inc. · leaf 138
RANSMISSION 111 upwards. Radio waves being of exactly the same nature aslight waves are reflected by conducting layers just as a mir-ror reflects light waves. We do not know what composesthe reflecting layer but believe that it may be composedof dust or moisture-laden particles. If the distance… … Fig. 49.—Diagram showing how fading phenomena may be producedby reflection from conducting layers above the earth. then a negative wave would have been received at B whilea positive wave was being radiated from A, or vice versa. If the total effective distance measured from A to R andback down to B…
Radio
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.