PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/28-08:42:30
G02     205.5          39.7                7.8 +/-    0.96      11.4 +/-    0.96  0.190 / 0.270
G06     150.4          74.4                6.8 +/-    1.47       7.1 +/-    1.47  0.170 / 0.270
G12     310.4          19.9                5.0 +/-    1.36      11.0 +/-    1.36  0.060 / 0.080
G17     43.3           42.7                4.5 +/-    0.25       6.3 +/-    0.25  0.050 / 0.070
G19     7.0            63.1                3.5 +/-    0.58       3.9 +/-    0.58  0.040 / 0.060
G24     286.1          43.2                4.5 +/-    1.00       6.2 +/-    1.00  0.040 / 0.060
G28     107.0          28.9                6.0 +/-    1.12      10.7 +/-    1.12  0.080 / 0.170