Powell, Claud. <br/><br/>
Radio position fixing for yachtsmen :  an introduction to Decca, Loran, Omega and Transit / 
Claud Powell. 
 - London :  Adlard Coles,  1987 
 - vii, 94 p. ;  23 cm. +  pbk. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0229117880 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio in navigation.<br/>Yachting<br/>Radio frequency. 
<br/><br/><label>Dewey Class. No.: </label>623.8932