PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/30-05:27:50
G03     215.0          59.4                6.3 +/-    1.50       7.2 +/-    1.50  0.080 / 0.310
G07     257.2          17.3                4.0 +/-    2.01       9.4 +/-    2.01  0.130 / 0.390
G09     310.0          27.9                2.4 +/-    1.54       4.4 +/-    1.54  0.040 / 0.080
G16     95.5           63.2                4.7 +/-    0.60       5.2 +/-    0.60  0.040 / 0.080
G22     191.0          43.3                4.2 +/-    1.08       5.8 +/-    1.08  0.040 / 0.040
G23     332.5          61.4                4.4 +/-    0.58       5.0 +/-    0.58  0.030 / 0.050
G26     54.4           43.3                5.1 +/-    0.47       7.0 +/-    0.47  0.030 / 0.050