Dougherty, H. T. <br/><br/>
An experimental study of the atmospheric conditions conducive to high radio fields / 
H.T. Dougherty, R.E. Mc Gavin, and R.W. Krinks 
 - Washington, D.C. :  United States Government Printing Office,  1970 
 - iii, 52 p. :  ill. ;  27 cm. 
 - OT / ITS research report ;  no. 4 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio communication
<br/><br/><label>Dewey Class. No.: </label>384.5