PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/06-05:42:50
G02     218.2          65.5                5.6 +/-    0.60       6.1 +/-    0.60  0.050 / 0.080
G06     54.0           75.0                3.5 +/-    0.53       3.6 +/-    0.53  0.060 / 0.090
G12     319.1          37.3                2.6 +/-    1.16       4.0 +/-    1.16  0.150 / 0.450
G17     59.5           31.3                3.2 +/-    0.76       5.5 +/-    0.76  0.180 / 0.470
G19     43.6           46.8                2.8 +/-    0.34       3.7 +/-    0.34  0.030 / 0.070
G24     262.6          40.7                7.5 +/-    1.16      10.8 +/-    1.16  0.030 / 0.070
G28     124.9          10.7                5.0 +/-    3.88      13.8 +/-    3.88  0.080 / 0.080