PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/11-00:27:50
G01     315.4          26.1                5.3 +/-    0.87      10.1 +/-    0.87  0.120 / 0.330
G10     91.9           46.7                8.5 +/-    0.40      11.2 +/-    0.40  0.160 / 0.470
G11     296.7          24.8                9.2 +/-    1.95      18.0 +/-    1.95  0.040 / 0.050
G14     314.9          70.7                8.0 +/-    0.77       8.4 +/-    0.77  0.040 / 0.050
G18     295.6          46.1                7.2 +/-    0.96       9.5 +/-    0.96  0.060 / 0.160
G20     112.3          22.4                8.3 +/-    2.34      17.2 +/-    2.34  0.070 / 0.130
G22     304.7          14.7                5.1 +/-    2.05      12.7 +/-    2.05  0.150 / 0.440
G25     95.4           11.5              -10.2 +/-   33.87     -27.5 +/-   33.87  0.140 / 0.480
G31     171.7          51.9               10.4 +/-    1.27      12.8 +/-    1.27  0.040 / 0.080
G32     21.1           61.6                6.9 +/-    0.61       7.8 +/-    0.61  0.040 / 0.080