PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/09-18:43:10
G02     8.2            70.9                9.2 +/-    0.43       9.6 +/-    0.43  0.040 / 0.050
G05     158.3          45.6               10.7 +/-    0.84      14.3 +/-    0.84  0.030 / 0.060
G06     46.2           27.4                7.1 +/-    1.67      13.1 +/-    1.67  0.420 / 0.330
G12     236.7          81.3                8.7 +/-    0.60       8.8 +/-    0.60  0.120 / 0.210
G19     84.4           22.8                8.3 +/-    1.89      17.2 +/-    1.89  0.060 / 0.080
G24     218.1          13.8               11.9 +/-    2.01      30.6 +/-    2.01  0.070 / 0.090
G25     313.0          40.7                9.2 +/-    1.12      13.2 +/-    1.12  0.020 / 0.020
G29     294.5          15.1                9.5 +/-    1.82      23.5 +/-    1.82  0.030 / 0.020