PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/11-03:12:30
G02     212.3          58.4                6.2 +/-    0.56       7.2 +/-    0.56  0.130 / 0.340
G06     74.5           78.7                4.5 +/-    0.60       4.6 +/-    0.60  0.120 / 0.360
G12     317.0          31.5                4.1 +/-    1.03       6.9 +/-    1.03  0.100 / 0.090
G17     52.7           36.9                2.6 +/-    1.59       4.0 +/-    1.59  0.080 / 0.100
G19     34.9           51.7                3.5 +/-    1.76       4.4 +/-    1.76  0.040 / 0.060
G24     271.4          42.1                5.6 +/-    2.14       7.8 +/-    2.14  0.040 / 0.060
G28     120.3          15.9                6.1 +/-    1.58      14.9 +/-    1.58  0.040 / 0.020