PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/12-10:57:40
G02     205.5          40.8                7.5 +/-    0.50      10.8 +/-    0.50  0.080 / 0.150
G06     140.4          75.4                6.5 +/-    0.76       6.7 +/-    0.76  0.180 / 0.190
G12     310.8          22.0                3.5 +/-    1.59       7.4 +/-    1.59  0.070 / 0.090
G17     40.6           45.4                3.8 +/-    0.56       5.1 +/-    0.56  0.060 / 0.070
G19     17.1           60.1                4.5 +/-    0.83       5.1 +/-    0.83  0.060 / 0.040
G24     291.6          39.5                6.1 +/-    1.57       8.9 +/-    1.57  0.040 / 0.040
G28     104.7          33.7                6.7 +/-    0.90      10.9 +/-    0.90  0.060 / 0.210