PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/07-02:12:50
G03     259.3          70.0                4.9 +/-    0.56       5.2 +/-    0.56  0.030 / 0.050
G09     300.6          15.8                2.5 +/-    2.71       6.1 +/-    2.71  0.030 / 0.050
G14     93.6           20.6                4.0 +/-    2.01       8.7 +/-    2.01  0.040 / 0.060
G16     131.9          54.4                7.4 +/-    1.10       8.9 +/-    1.10  0.040 / 0.050
G22     204.0          61.8                6.1 +/-    0.87       6.8 +/-    0.87  0.110 / 0.240
G23     315.8          45.9                4.2 +/-    1.22       5.6 +/-    1.22  0.110 / 0.250
G26     77.6           53.2                5.1 +/-    0.84       6.2 +/-    0.84  0.040 / 0.080
G31     50.2           22.5                2.2 +/-    1.26       4.6 +/-    1.26  0.050 / 0.070