Spies, Kenneth P. <br/><br/>
Calculate mode conversion coefficients for a graded height change in the Earth-lonosphere Waveguide at VLC / 
Kenneth P. Spies [and] James R. Wait 
 - Boulder, Colorado :  Office of the Directory,  1968 
 - iii, 24 p. ;  26 cm. 
 - ESSA technical report ERL 77-OD1 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Atmosphere, Upper<br/>Ionosphere<br/>Magnetosphere
<br/><br/><label>Dewey Class. No.: </label>551.514