PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/11-06:27:40
G01     43.0           19.1                2.9 +/-    3.37       6.5 +/-    3.37  0.070 / 0.110
G06     176.5          34.0                6.3 +/-    1.09      10.2 +/-    1.09  0.050 / 0.100
G13     240.4          24.7                5.9 +/-    2.68      11.5 +/-    2.68  0.080 / 0.280
G15     275.9          13.1                2.0 +/-    1.55       5.3 +/-    1.55  0.140 / 0.290
G17     1.3            71.8                5.3 +/-    0.68       5.6 +/-    0.68  0.040 / 0.060
G19     263.2          65.0                5.7 +/-    1.18       6.2 +/-    1.18  0.040 / 0.060
G24     316.2          20.3                0.9 +/-    2.52       2.1 +/-    2.52  0.090 / 0.230
G28     64.3           50.2                5.6 +/-    1.19       7.1 +/-    1.19  0.120 / 0.230
G30     154.0          32.7                7.4 +/-    1.79      12.3 +/-    1.79  0.190 / 0.320