A low-cost FSK modem network for polled communication systems
By: by Richard A. Watson.
Series: Information circular ;; 9021; Information circular (United States. Bureau of Mines) ;; 9021.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1985
Place of publication: Pittsburgh, Pa
Language: eng
Number of pages: 23
Subjects: Mine communication systems.; Modems.
Notes: Includes bibliographical references.