VHF radio communications coverage in international airspace under U.S. jurisdiction (except pacific islands). 

 - [Washington, D.C., 
 - 19--?]. .
<br/><br/> CRDP Program Historic Shelflist record. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio in aeronautics.
<br/><br/><label>Gov. Doc. Class. No.: </label>TD 4.8/5:91-52