PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/09-09:57:50
G01     39.4           14.1                2.6 +/-    3.08       6.6 +/-    3.08  0.090 / 0.180
G06     173.0          40.9                7.5 +/-    0.80      10.7 +/-    0.80  0.090 / 0.190
G13     235.2          21.9                7.8 +/-    2.00      16.5 +/-    2.00  0.050 / 0.040
G15     269.2          11.8                5.6 +/-    1.88      14.9 +/-    1.88  0.040 / 0.030
G17     1.0            70.6                6.0 +/-    0.47       6.3 +/-    0.47  0.100 / 0.220
G19     284.5          71.3                5.1 +/-    1.11       5.4 +/-    1.11  0.100 / 0.170
G24     316.4          18.7                1.5 +/-    3.03       3.3 +/-    3.03  0.190 / 0.290
G28     64.9           52.0                5.7 +/-    0.96       7.0 +/-    0.96  0.130 / 0.300
G30     155.7          28.7                7.5 +/-    1.50      13.4 +/-    1.50  0.040 / 0.070