The Arel Operating Manual :  For radio amateurs 

 - 10th edition 
 - USA :  ARRL, the national association for Amateur Radio,   2012. 
 - 14-12 p.  28 cm. 
<br/><br/><label>ISBN: </label>9780872595965 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Amateur radio stations. Shortwave radio. Radio operators--United States.
<br/><br/><label>Dewey Class. No.: </label>621.38 WIL