PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-04:12:40
G01     109.5          24.0               10.1 +/-    1.12      20.2 +/-    1.12  0.030 / 0.030
G07     104.4          58.0                8.5 +/-    0.51       9.8 +/-    0.51  0.030 / 0.020
G08     41.7           20.0                4.1 +/-    2.70       9.0 +/-    2.70  0.030 / 0.030
G09     173.8          14.2                6.9 +/-    2.41      17.6 +/-    2.41  0.030 / 0.040
G11     90.1           42.4                8.3 +/-    1.20      11.6 +/-    1.20  0.050 / 0.080
G13     311.3          27.5                3.2 +/-    1.74       5.9 +/-    1.74  0.060 / 0.070
G17     203.6          37.9                7.4 +/-    0.98      11.2 +/-    0.98  0.060 / 0.060
G28     308.7          59.6                5.9 +/-    1.03       6.7 +/-    1.03  0.050 / 0.050
G30     6.5            76.1                6.7 +/-    0.89       6.9 +/-    0.89  0.230 / 0.230