PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/22-02:27:50
G01     232.1          24.5                5.5 +/-    2.50      10.9 +/-    2.50  0.200 / 0.330
G03     307.3          59.0                3.4 +/-    1.42       3.9 +/-    1.42  0.270 / 0.260
G14     75.1           32.8                2.8 +/-    1.64       4.7 +/-    1.64  0.060 / 0.140
G16     152.2          34.9                5.7 +/-    1.30       9.0 +/-    1.30  0.060 / 0.130
G18     208.8          13.8                7.0 +/-    3.22      18.0 +/-    3.22  0.120 / 0.370
G22     260.1          74.6                5.5 +/-    0.97       5.7 +/-    0.97  0.160 / 0.410
G23     300.3          31.7                4.4 +/-    1.76       7.4 +/-    1.76  0.110 / 0.160
G26     114.9          50.3                5.1 +/-    0.66       6.4 +/-    0.66  0.140 / 0.160
G31     42.7           40.1                2.7 +/-    1.29       3.9 +/-    1.29  0.040 / 0.030
G32     91.0           12.0                4.3 +/-    1.61      11.6 +/-    1.61  0.040 / 0.040