PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/24-18:28:00
G05     50.4           14.2                9.3 +/-    2.42      23.5 +/-    2.42  0.050 / 0.070
G10     239.9          18.6               14.2 +/-    1.13      32.4 +/-    1.13  0.070 / 0.060
G13     67.3           34.2               11.7 +/-    1.04      18.8 +/-    1.04  0.050 / 0.140
G15     114.0          55.7               12.5 +/-    0.30      14.8 +/-    0.30  0.050 / 0.110
G16     308.3          14.5                7.0 +/-    1.60      17.7 +/-    1.60  0.030 / 0.030
G20     254.8          42.6               13.6 +/-    2.51      19.0 +/-    2.51  0.030 / 0.040
G21     318.8          50.1               10.9 +/-    0.57      13.7 +/-    0.57  0.120 / 0.480
G26     281.4          19.4               10.1 +/-    1.17      22.6 +/-    1.17  0.140 / 0.370
G29     157.8          66.5               13.2 +/-    0.65      14.2 +/-    0.65  0.240 / 0.210