PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/29-23:57:40
G03     304.7          60.8                5.7 +/-    0.94       6.4 +/-    0.94  0.040 / 0.030
G14     76.6           32.6                6.2 +/-    1.13      10.4 +/-    1.13  0.030 / 0.020
G16     150.2          37.4                7.9 +/-    1.13      12.0 +/-    1.13  0.070 / 0.120
G22     250.1          74.4                7.2 +/-    0.47       7.5 +/-    0.47  0.080 / 0.140
G23     301.5          32.2                6.1 +/-    1.09      10.2 +/-    1.09  0.040 / 0.040
G26     111.2          51.5                6.5 +/-    0.41       8.1 +/-    0.41  0.040 / 0.040
G31     43.2           38.5                5.2 +/-    0.82       7.8 +/-    0.82  0.060 / 0.110
G32     93.2           9.8                 7.7 +/-    2.06      21.5 +/-    2.06  0.070 / 0.090