PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/08-04:12:40
G01     113.0          21.9               11.7 +/-    0.95      24.7 +/-    0.95  0.030 / 0.030
G07     98.1           60.7                7.8 +/-    0.75       8.9 +/-    0.75  0.030 / 0.030
G08     42.3           23.2                2.8 +/-    1.16       5.7 +/-    1.16  0.070 / 0.200
G09     174.3          17.5                9.3 +/-    1.43      21.7 +/-    1.43  0.070 / 0.180
G11     95.3           42.0                8.5 +/-    0.69      11.9 +/-    0.69  0.040 / 0.060
G13     313.8          24.9                3.8 +/-    1.26       7.4 +/-    1.26  0.040 / 0.060
G17     202.3          34.0               10.1 +/-    1.05      16.3 +/-    1.05  0.030 / 0.040
G28     301.6          58.6                5.6 +/-    0.52       6.4 +/-    0.52  0.040 / 0.040
G30     356.2          73.2                6.0 +/-    0.89       6.2 +/-    0.89  0.060 / 0.110