PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/28-01:27:30
G03     215.7          59.2                7.9 +/-    0.64       9.0 +/-    0.64  0.050 / 0.070
G07     257.2          16.4                6.8 +/-    2.12      16.4 +/-    2.12  0.070 / 0.080
G09     311.2          30.7                4.8 +/-    1.47       8.3 +/-    1.47  0.040 / 0.040
G16     92.3           62.9                6.6 +/-    0.62       7.4 +/-    0.62  0.030 / 0.050
G22     191.2          42.8                8.7 +/-    2.13      12.1 +/-    2.13  0.080 / 0.240
G23     330.5          60.2                5.3 +/-    0.82       6.1 +/-    0.82  0.070 / 0.250
G26     53.8           42.8                5.0 +/-    0.41       6.9 +/-    0.41  0.040 / 0.040