PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/19-05:12:40
G03     194.7          29.7                6.1 +/-    1.62      10.8 +/-    1.62  0.200 / 0.390
G07     283.3          34.9                7.1 +/-    2.41      11.3 +/-    2.41  0.190 / 0.370
G08     149.2          20.0                6.1 +/-    2.05      13.5 +/-    2.05  0.060 / 0.110
G09     321.1          55.7                4.3 +/-    0.67       5.1 +/-    0.67  0.050 / 0.090
G16     46.5           44.7                4.1 +/-    1.00       5.6 +/-    1.00  0.070 / 0.110
G22     181.5          14.4                6.5 +/-    1.60      16.4 +/-    1.60  0.070 / 0.100
G23     68.4           82.5                4.3 +/-    0.82       4.3 +/-    0.82  0.030 / 0.040
G26     43.4           17.8                1.9 +/-    1.33       4.5 +/-    1.33  0.030 / 0.030
G27     109.3          29.3                7.6 +/-    0.95      13.6 +/-    0.95  0.060 / 0.040