41. Telecommunications research report, OT/ITSRR (series). 4. Experimental study of atmospheric conditions conducive to high radio fields with list of references; by] H. T. Dougherty, R. E. McGavin [and] R. W. Krinks. Bookmark Corporate/Agency Authors: Commerce Department Publisher: Commerce Department Date: Sept. 1970 SuDoc number: C 1.60:(nos.)