The ARRL handbook for the radio amateur 
/ ARRL 
 - 67a ed 
 - Newington, Connecticut  : American Radio Relay League/ ARRL  , 1990  , c1989. 
 - w/p US  : il. otr.  ; 23 
<br/><br/><label>ISBN: </label>0-87259-167-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio, Ham
<br/><br/><label>Dewey Class. No.: </label>REF 621.384 ARR