PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/10-11:12:30
G02     201.0          15.0                5.6 +/-    3.26      13.9 +/-    3.26  0.140 / 0.210
G06     171.1          50.9                7.6 +/-    0.53       9.5 +/-    0.53  0.120 / 0.130
G13     229.1          15.2                4.8 +/-    1.11      11.8 +/-    1.11  0.090 / 0.090
G17     21.1           60.7                5.9 +/-    0.59       6.7 +/-    0.59  0.110 / 0.140
G19     299.1          69.7                5.0 +/-    1.02       5.3 +/-    1.02  0.030 / 0.040
G24     310.3          30.0                5.0 +/-    1.02       8.7 +/-    1.02  0.030 / 0.050
G28     83.4           42.5                5.9 +/-    0.73       8.3 +/-    0.73  0.040 / 0.030
G30     157.3          19.1                6.4 +/-    2.30      14.5 +/-    2.30  0.040 / 0.030