PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/11-09:27:50
G01     105.6          25.0                5.6 +/-    0.78      11.0 +/-    0.78  0.050 / 0.050
G07     107.7          56.4                8.5 +/-    1.02      10.0 +/-    1.02  0.050 / 0.070
G08     42.2           23.1                2.6 +/-    1.65       5.4 +/-    1.65  0.080 / 0.090
G09     174.4          13.6                7.6 +/-    0.92      19.6 +/-    0.92  0.040 / 0.070
G11     90.5           44.3                8.0 +/-    0.88      10.9 +/-    0.88  0.030 / 0.040
G13     309.1          29.8                5.5 +/-    1.69       9.7 +/-    1.69  0.030 / 0.050
G17     205.5          35.1                7.7 +/-    2.31      12.3 +/-    2.31  0.090 / 0.160
G18     79.7           24.2                5.5 +/-    0.94      11.0 +/-    0.94  0.070 / 0.160
G28     304.1          57.7                6.5 +/-    0.66       7.5 +/-    0.66  0.130 / 0.370
G30     15.3           77.9                7.4 +/-    0.57       7.6 +/-    0.57  0.120 / 0.340