Compact Representation of Contour Plots for Phone Line Transmission Methods for the compact representation of contour plots are described and tested. These are intended to reduce the cost of transmitting contour plots over phone lines. We feel some of these methods could be used to transmit contour plots over voice grade phone lines. CACM June, 1974 Adams, J. Gary, J. contour plotting, data transmission, remote terminal, data compaction 4.41 5.13 CA740613 JB January 17, 1978 2:48 PM 2633 4 2633 2633 5 2633 2633 5 2633 2633 5 2633 2987 5 2633 699 5 2633 1326 6 2633 1630 6 2633 2125 6 2633 2547 6 2633 2633 6 2633 421 6 2633 524 6 2633