PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/26-02:58:00
G03     258.8          70.1                4.9 +/-    0.70       5.2 +/-    0.70  0.180 / 0.240
G09     300.4          15.4                2.8 +/-    1.43       6.9 +/-    1.43  0.140 / 0.240
G14     93.8           20.2                4.1 +/-    1.58       8.9 +/-    1.58  0.100 / 0.300
G16     132.1          54.4                7.5 +/-    0.46       9.0 +/-    0.46  0.130 / 0.250
G22     203.9          61.8                6.8 +/-    0.71       7.6 +/-    0.71  0.030 / 0.050
G23     316.1          46.2                5.6 +/-    0.64       7.4 +/-    0.64  0.030 / 0.050
G26     77.6           53.2                5.2 +/-    0.69       6.4 +/-    0.69  0.040 / 0.050
G31     50.2           22.3                3.1 +/-    2.72       6.5 +/-    2.72  0.040 / 0.050