PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/14-02:27:50
G01     282.9          41.4                4.4 +/-    0.75       6.3 +/-    0.75  0.050 / 0.080
G03     313.7          20.9                4.4 +/-    3.53       9.5 +/-    3.53  0.060 / 0.080
G10     124.2          23.5                6.4 +/-    1.51      13.0 +/-    1.51  0.070 / 0.080
G11     257.7          23.7                6.6 +/-    1.37      13.3 +/-    1.37  0.060 / 0.090
G14     31.4           55.8                4.1 +/-    0.64       4.9 +/-    0.64  0.070 / 0.250
G18     242.8          44.5                7.7 +/-    1.16      10.5 +/-    1.16  0.070 / 0.190
G22     314.5          43.1                5.3 +/-    1.07       7.4 +/-    1.07  0.040 / 0.050
G25     58.9           17.5                3.1 +/-    0.83       7.3 +/-    0.83  0.040 / 0.060
G31     87.5           79.1                5.7 +/-    0.79       5.8 +/-    0.79  0.110 / 0.160
G32     57.3           37.0                3.5 +/-    0.67       5.4 +/-    0.67  0.110 / 0.170