PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/11-08:28:00
G01     105.4          26.3                7.1 +/-    0.82      13.5 +/-    0.82  0.030 / 0.030
G07     110.1          55.9                7.1 +/-    0.48       8.4 +/-    0.48  0.030 / 0.030
G08     41.5           16.8                2.7 +/-    0.89       6.3 +/-    0.89  0.030 / 0.040
G11     84.6           42.4                6.9 +/-    0.72       9.6 +/-    0.72  0.030 / 0.040
G13     308.0          30.0                3.8 +/-    2.16       6.7 +/-    2.16  0.070 / 0.120
G17     205.7          41.6               10.6 +/-    1.15      15.0 +/-    1.15  0.070 / 0.160
G18     76.6           24.0                4.4 +/-    0.98       8.8 +/-    0.98  0.080 / 0.160
G19     210.0          11.1                1.6 +/-   12.92       4.3 +/-   12.92  0.080 / 0.140
G28     318.7          60.9                5.1 +/-    1.15       5.7 +/-    1.15  0.080 / 0.170
G30     21.9           78.7                6.6 +/-    0.49       6.7 +/-    0.49  0.100 / 0.130