PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/15-06:42:40
G01     113.8          21.5                7.3 +/-    2.22      15.5 +/-    2.22  0.050 / 0.050
G07     94.9           62.2                5.4 +/-    0.60       6.0 +/-    0.60  0.050 / 0.040
G08     42.9           25.5                2.8 +/-    2.06       5.5 +/-    2.06  0.030 / 0.030
G09     176.0          20.2                6.4 +/-    1.81      14.1 +/-    1.81  0.030 / 0.040
G11     98.7           41.0                7.1 +/-    0.62      10.2 +/-    0.62  0.050 / 0.110
G13     315.5          22.4                3.1 +/-    1.46       6.5 +/-    1.46  0.090 / 0.110
G17     202.9          32.2                5.5 +/-    1.16       9.3 +/-    1.16  0.140 / 0.130
G28     305.1          59.6                3.5 +/-    1.01       4.0 +/-    1.01  0.110 / 0.100
G30     0.9            73.4                5.8 +/-    0.72       6.0 +/-    0.72  0.100 / 0.170