PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/25-10:57:40
G01     123.0          14.9                5.2 +/-    1.73      13.0 +/-    1.73  0.030 / 0.030
G07     68.4           68.3                4.3 +/-    0.75       4.6 +/-    0.75  0.040 / 0.030
G08     46.3           33.3                2.5 +/-    0.66       4.2 +/-    0.66  0.040 / 0.030
G09     175.6          28.3                6.0 +/-    2.60      10.9 +/-    2.60  0.040 / 0.040
G11     110.7          38.0                4.3 +/-    0.76       6.4 +/-    0.76  0.110 / 0.240
G13     319.5          16.0                0.8 +/-    1.70       1.9 +/-    1.70  0.100 / 0.180
G17     200.0          21.5                5.9 +/-    1.78      12.6 +/-    1.78  0.120 / 0.200
G18     98.2           18.9                3.8 +/-    2.17       8.6 +/-    2.17  0.120 / 0.220
G28     284.0          55.2                4.2 +/-    1.59       5.0 +/-    1.59  0.090 / 0.340
G30     336.4          63.3                2.5 +/-    0.48       2.8 +/-    0.48  0.120 / 0.270