| GMD | Text![]() |
| Language | Eng |
| Classification | 384.53 Un3 |
| Publisher | Washington, U.S.G.P.O., c1976 |
| Subject | Radio broadcasting -- Study and teaching -- United States.Radio -- Transmitters and transmission -- Study and teaching -- United States.Radiotelephone -- Study and teaching -- United States. |
| Description | viii, 103 p. : ill. ; 25 cm. |