PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/09-09:12:50
G01     50.9           25.9                3.8 +/-    3.15       7.3 +/-    3.15  0.040 / 0.050
G06     180.2          21.7                6.4 +/-    2.62      13.5 +/-    2.62  0.040 / 0.050
G07     145.8          12.3                4.4 +/-    1.74      11.7 +/-    1.74  0.120 / 0.140
G11     44.8           15.2                1.4 +/-    2.59       3.5 +/-    2.59  0.270 / 0.190
G13     253.4          30.8                4.8 +/-    2.66       8.2 +/-    2.66  0.030 / 0.020
G15     284.6          16.1                1.8 +/-    1.34       4.4 +/-    1.34  0.020 / 0.020
G17     319.2          79.0                4.8 +/-    0.57       4.8 +/-    0.57  0.080 / 0.160
G19     246.5          60.9                5.0 +/-    0.83       5.6 +/-    0.83  0.090 / 0.180
G28     51.9           52.8                4.6 +/-    0.99       5.6 +/-    0.99  0.130 / 0.230
G30     148.9          42.2                7.4 +/-    1.01      10.4 +/-    1.01  0.110 / 0.220