PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/10-11:58:10
G01     60.5           30.7                4.7 +/-    0.62       8.1 +/-    0.62  0.050 / 0.170
G07     142.0          22.0                5.8 +/-    1.69      12.2 +/-    1.69  0.060 / 0.160
G11     47.8           23.0                3.0 +/-    0.70       6.2 +/-    0.70  0.040 / 0.050
G13     262.5          35.6                7.2 +/-    1.04      11.4 +/-    1.04  0.040 / 0.050
G15     299.4          14.0                1.9 +/-    1.08       4.8 +/-    1.08  0.050 / 0.080
G17     261.6          77.5                6.6 +/-    0.64       6.7 +/-    0.64  0.050 / 0.070
G18     41.7           12.2                2.1 +/-    1.47       5.6 +/-    1.47  0.110 / 0.250
G19     231.3          45.6                7.1 +/-    1.73       9.5 +/-    1.73  0.090 / 0.270
G28     33.8           57.2                5.2 +/-    0.45       6.1 +/-    0.45  0.070 / 0.140
G30     143.9          54.3                7.5 +/-    1.45       9.0 +/-    1.45  0.070 / 0.150