PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/26-06:27:40
G07     50.4           69.2                4.2 +/-    0.85       4.5 +/-    0.85  0.070 / 0.340
G08     50.6           38.9                3.9 +/-    0.79       5.7 +/-    0.79  0.110 / 0.310
G09     174.8          34.0                5.7 +/-    0.76       9.3 +/-    0.76  0.030 / 0.040
G11     118.5          34.5                6.5 +/-    0.73      10.4 +/-    0.73  0.030 / 0.030
G17     198.8          15.0                5.1 +/-    3.79      12.6 +/-    3.79  0.030 / 0.030
G18     103.4          15.7                5.2 +/-    2.20      12.8 +/-    2.20  0.030 / 0.030
G23     161.3          11.0                4.9 +/-    3.54      13.4 +/-    3.54  0.300 / 0.430
G27     37.8           10.2                2.6 +/-    3.58       7.1 +/-    3.58  0.230 / 0.430
G28     271.6          50.7                5.9 +/-    2.76       7.3 +/-    2.76  0.140 / 0.270
G30     328.5          57.5                4.0 +/-    0.48       4.7 +/-    0.48  0.180 / 0.300