PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/03-11:12:30
G02     219.0          61.0                7.5 +/-    1.08       8.4 +/-    1.08  0.060 / 0.080
G06     52.0           72.1                6.0 +/-    0.97       6.3 +/-    0.97  0.050 / 0.080
G12     319.5          39.5                4.2 +/-    0.61       6.2 +/-    0.61  0.040 / 0.070
G17     60.9           28.6                3.5 +/-    0.84       6.2 +/-    0.84  0.050 / 0.060
G19     38.7           50.0                4.3 +/-    0.90       5.4 +/-    0.90  0.040 / 0.030
G24     256.6          41.3                5.8 +/-    0.73       8.2 +/-    0.73  0.040 / 0.030
G28     124.0          12.9                6.2 +/-    2.76      16.2 +/-    2.76  0.040 / 0.050