PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/07-09:57:40
G02     204.1          33.9                6.8 +/-    1.60      11.0 +/-    1.60  0.090 / 0.110
G06     158.3          69.9                6.8 +/-    0.42       7.2 +/-    0.42  0.100 / 0.090
G12     308.1          16.7                1.8 +/-    2.40       4.3 +/-    2.40  0.220 / 0.280
G17     38.9           46.5                5.4 +/-    1.00       7.1 +/-    1.00  0.140 / 0.190
G19     355.0          66.1                5.2 +/-    0.30       5.6 +/-    0.30  0.030 / 0.020
G24     293.1          41.2                2.3 +/-    5.14       3.3 +/-    5.14  0.040 / 0.020
G28     102.5          32.0                5.8 +/-    1.09       9.8 +/-    1.09  0.030 / 0.030