PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/15-02:58:00
G01     261.6          39.3                7.7 +/-    0.98      11.4 +/-    0.98  0.050 / 0.050
G03     316.5          34.5                5.5 +/-    0.88       8.7 +/-    0.88  0.060 / 0.060
G10     133.4          11.0                4.6 +/-    1.93      12.6 +/-    1.93  0.180 / 0.270
G11     243.4          16.5                6.6 +/-    1.76      15.9 +/-    1.76  0.190 / 0.270
G14     50.3           46.6                4.1 +/-    0.65       5.4 +/-    0.65  0.080 / 0.080
G18     226.4          33.8                9.0 +/-    2.11      14.6 +/-    2.11  0.070 / 0.070
G22     311.8          57.5                6.6 +/-    0.81       7.7 +/-    0.81  0.040 / 0.090
G25     44.9           13.0                3.0 +/-    1.52       7.9 +/-    1.52  0.040 / 0.080
G31     45.5           66.5                4.7 +/-    0.37       5.1 +/-    0.37  0.100 / 0.410
G32     70.6           27.2                4.8 +/-    1.07       9.0 +/-    1.07  0.090 / 0.450