PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/11-10:12:30
G01     82.2           32.2                6.0 +/-    0.82      10.0 +/-    0.82  0.040 / 0.050
G07     129.9          38.9                9.1 +/-    0.91      13.5 +/-    0.91  0.040 / 0.050
G11     63.4           39.1                6.9 +/-    0.86      10.1 +/-    0.86  0.040 / 0.060
G13     287.1          38.5                0.9 +/-    3.00       1.4 +/-    3.00  0.040 / 0.070
G15     312.2          11.5                2.5 +/-    1.39       6.8 +/-    1.39  0.140 / 0.220
G17     217.8          56.2                7.7 +/-    0.92       9.0 +/-    0.92  0.080 / 0.210
G18     57.7           22.4                4.5 +/-    1.21       9.4 +/-    1.21  0.110 / 0.110
G19     216.1          33.9                7.2 +/-    2.27      11.6 +/-    2.27  0.120 / 0.130
G28     343.9          61.5                5.4 +/-    0.65       6.1 +/-    0.65  0.060 / 0.050
G30     118.2          73.5                8.6 +/-    1.09       8.9 +/-    1.09  0.060 / 0.050