In telecommunication, a neutral direct-current telegraph system is a telegraph system in which (a) current flows during marking intervals and no current flows during spacing intervals for the transmission of signals over a line, and (b) the direction of current flow is immaterial. Synonymssingle-current system, single-current transmission system, single-Morse system.
... is 365.9/km² (938.3/mi²). There are 163 housing units at an average density of 143.0/km² (366.8/mi²). The racial makeup of the village is 95.20% White, ...