PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-00:58:00
G01     109.3          24.4                5.0 +/-    0.83       9.8 +/-    0.83  0.060 / 0.090
G07     102.9          60.1                6.5 +/-    0.53       7.4 +/-    0.53  0.100 / 0.110
G08     42.5           24.0                2.8 +/-    1.22       5.5 +/-    1.22  0.040 / 0.050
G09     176.0          16.6                8.5 +/-    0.86      20.4 +/-    0.86  0.040 / 0.060
G11     95.6           43.0                6.1 +/-    0.48       8.5 +/-    0.48  0.070 / 0.120
G13     311.9          26.4                5.3 +/-    2.09      10.0 +/-    2.09  0.060 / 0.130
G17     205.4          34.4                9.8 +/-    1.01      15.7 +/-    1.01  0.030 / 0.040
G19     208.5          11.3                5.8 +/-   15.27      15.8 +/-   15.27  0.030 / 0.040
G28     314.7          60.8                5.8 +/-    0.73       6.5 +/-    0.73  0.040 / 0.090
G30     35.4           77.4                5.9 +/-    0.56       6.0 +/-    0.56  0.040 / 0.060