PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-18:43:00
G01     52.0           26.8                9.1 +/-    0.76      17.2 +/-    0.76  0.050 / 0.070
G06     177.4          23.9               11.6 +/-    1.18      23.2 +/-    1.18  0.050 / 0.060
G07     145.6          14.8               11.7 +/-    3.32      29.3 +/-    3.32  0.170 / 0.220
G11     45.3           17.3                7.3 +/-    0.82      17.2 +/-    0.82  0.170 / 0.240
G13     252.9          31.6               10.5 +/-    1.72      17.9 +/-    1.72  0.080 / 0.320
G15     287.0          15.6                8.6 +/-    3.10      21.1 +/-    3.10  0.100 / 0.300
G17     292.0          78.0                9.8 +/-    0.72      10.0 +/-    0.72  0.030 / 0.030
G19     242.3          56.0               10.2 +/-    0.86      12.0 +/-    0.86  0.030 / 0.040
G28     49.3           53.7                8.6 +/-    0.42      10.4 +/-    0.42  0.030 / 0.070
G30     148.7          43.5               11.1 +/-    1.02      15.3 +/-    1.02  0.030 / 0.060