%There is no mask.
%The grid is (192,94)  x=0:1.875:359.125
%      DATA YRaw/
%     *-88.5420, -86.6532, -84.7532, -82.8508, -80.9474, -79.0435,
%     *-77.1393, -75.2351, -73.3307, -71.4262, -69.5217, -67.6171,
%     *-65.7125, -63.8079, -61.9033, -59.9986, -58.0940, -56.1893,
%     *-54.2846, -52.3799, -50.4752, -48.5705, -46.6658, -44.7611,
%     *-42.8564, -40.9517, -39.0470, -37.1422, -35.2375, -33.3328,
%     *-31.4281, -29.5234, -27.6186, -25.7139, -23.8092, -21.9044,
%     *-19.9997, -18.0950, -16.1902, -14.2855, -12.3808, -10.4760,
%     *- 8.5713, - 6.6666, - 4.7618, - 2.8571, - 0.9524,
%     * 0.9524, 2.8571, 4.7618, 6.6666, 8.5713, 10.4760, 12.3808,
%     * 14.2855, 16.1902, 18.0950, 19.9997, 21.9044, 23.8092,
%     * 25.7139, 27.6186, 29.5234, 31.4281, 33.3328, 35.2375,
%     * 37.1422, 39.0470, 40.9517, 42.8564, 44.7611, 46.6658,
%     * 48.5705, 50.4752, 52.3799, 54.2846, 56.1893, 58.0940,
%     * 59.9986, 61.9033, 63.8079, 65.7125, 67.6171, 69.5217,
%     * 71.4262, 73.3307, 75.2351, 77.1393, 79.0435, 80.9474,
%     * 82.8508, 84.7532, 86.6532, 88.5420/


x=0:1.875:359.125;
y=[...
     -88.5420, -86.6532, -84.7532, -82.8508, -80.9474, -79.0435,...
     -77.1393, -75.2351, -73.3307, -71.4262, -69.5217, -67.6171,...
     -65.7125, -63.8079, -61.9033, -59.9986, -58.0940, -56.1893,...
     -54.2846, -52.3799, -50.4752, -48.5705, -46.6658, -44.7611,...
     -42.8564, -40.9517, -39.0470, -37.1422, -35.2375, -33.3328,...
     -31.4281, -29.5234, -27.6186, -25.7139, -23.8092, -21.9044,...
     -19.9997, -18.0950, -16.1902, -14.2855, -12.3808, -10.4760,...
     - 8.5713, - 6.6666, - 4.7618, - 2.8571, - 0.9524,...
      0.9524, 2.8571, 4.7618, 6.6666, 8.5713, 10.4760, 12.3808,...
      14.2855, 16.1902, 18.0950, 19.9997, 21.9044, 23.8092,...
      25.7139, 27.6186, 29.5234, 31.4281, 33.3328, 35.2375,...
      37.1422, 39.0470, 40.9517, 42.8564, 44.7611, 46.6658,...
      48.5705, 50.4752, 52.3799, 54.2846, 56.1893, 58.0940,...
      59.9986, 61.9033, 63.8079, 65.7125, 67.6171, 69.5217,...
      71.4262, 73.3307, 75.2351, 77.1393, 79.0435, 80.9474,...
      82.8508, 84.7532, 86.6532, 88.5420];