Layton, Jack. <br/><br/>
Directional broadcast antennas  a guide to adjustment, measurement and testing 
by Jack Layton. 
 - Summit, Pa  TAB Books  1974 
 - 207p. 
<br/><br/><label>ISBN: </label>0830647333 
<br/><br/><label>Dewey Class. No.: </label>621.380283  / N742