A low-cost FSK modem network for polled communication systems

Author:	Watson, Richard A.,
Year:	1985
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:9021
Series:	Information circular / Bureau of Mines ;
Report Number:	9021
Subjects:	Modems
	Mine communication systems
Link:	https://hdl.handle.net/2027/mdp.39015078464917