PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/04-04:27:40
G03     257.6          70.2                6.1 +/-    0.64       6.4 +/-    0.64  0.130 / 0.240
G09     300.2          14.7                3.1 +/-    1.98       7.8 +/-    1.98  0.130 / 0.310
G14     94.1           19.6                3.0 +/-    1.66       6.7 +/-    1.66  0.040 / 0.070
G16     132.8          54.3                6.2 +/-    0.53       7.4 +/-    0.53  0.040 / 0.060
G22     203.3          61.7                6.4 +/-    0.76       7.2 +/-    0.76  0.030 / 0.050
G23     316.8          47.0                4.4 +/-    1.00       5.7 +/-    1.00  0.030 / 0.040
G26     77.7           53.2                4.5 +/-    0.47       5.5 +/-    0.47  0.110 / 0.210
G31     50.2           22.2                2.9 +/-    1.87       6.1 +/-    1.87  0.140 / 0.310