PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/24-12:28:10
G02     201.9          18.8                6.5 +/-    1.74      14.6 +/-    1.74  0.130 / 0.230
G06     168.6          56.5                7.7 +/-    0.81       9.0 +/-    0.81  0.140 / 0.300
G13     225.7          12.1                4.8 +/-    3.01      12.7 +/-    3.01  0.100 / 0.410
G17     25.8           57.2                5.3 +/-    0.55       6.2 +/-    0.55  0.090 / 0.440
G19     313.1          69.9                4.6 +/-    0.62       4.9 +/-    0.62  0.040 / 0.040
G24     307.2          33.0                5.7 +/-    1.49       9.5 +/-    1.49  0.030 / 0.030
G28     89.0           39.6                5.9 +/-    0.51       8.6 +/-    0.51  0.100 / 0.310
G30     157.9          14.5                5.9 +/-    2.28      14.7 +/-    2.28  0.100 / 0.270