PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/06-01:13:10
G01     109.5          24.3                6.2 +/-    1.94      12.3 +/-    1.94  0.060 / 0.080
G07     102.6          60.2                5.5 +/-    0.74       6.2 +/-    0.74  0.060 / 0.080
G08     42.5           24.0                2.1 +/-    1.70       4.1 +/-    1.70  0.040 / 0.050
G09     176.1          16.8                7.6 +/-    1.62      18.0 +/-    1.62  0.050 / 0.070
G11     95.6           42.9                6.3 +/-    0.71       8.7 +/-    0.71  0.060 / 0.110
G13     312.0          26.3                5.2 +/-    2.56       9.9 +/-    2.56  0.070 / 0.120
G17     205.3          34.4                8.2 +/-    1.59      13.1 +/-    1.59  0.040 / 0.040
G19     208.4          11.3                0.4 +/-   14.90       1.1 +/-   14.90  0.040 / 0.050
G28     314.4          60.7                5.3 +/-    0.64       5.9 +/-    0.64  0.040 / 0.070
G30     33.6           77.3                4.7 +/-    0.55       4.8 +/-    0.55  0.040 / 0.070