PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/16-02:27:50
G01     277.7          41.6                5.6 +/-    1.33       8.0 +/-    1.33  0.070 / 0.070
G03     314.7          24.0                3.1 +/-    1.26       6.2 +/-    1.26  0.060 / 0.070
G10     126.7          20.5                7.7 +/-    2.06      16.8 +/-    2.06  0.110 / 0.360
G11     254.0          22.2                5.8 +/-    1.82      12.1 +/-    1.82  0.110 / 0.380
G14     36.4           53.6                5.8 +/-    0.46       7.0 +/-    0.46  0.080 / 0.090
G18     238.2          42.2                7.1 +/-    1.08      10.0 +/-    1.08  0.060 / 0.070
G22     314.5          46.5                3.6 +/-    1.73       4.8 +/-    1.73  0.050 / 0.050
G25     55.3           16.8                1.9 +/-   11.19       4.4 +/-   11.19  0.040 / 0.060
G31     69.6           77.2                5.3 +/-    0.60       5.4 +/-    0.60  0.080 / 0.200
G32     60.5           34.6                4.0 +/-    1.33       6.5 +/-    1.33  0.080 / 0.180