PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/24-03:27:50
G01     256.1          37.4                7.1 +/-    1.34      10.7 +/-    1.34  0.110 / 0.350
G03     316.3          37.4                4.6 +/-    0.94       7.0 +/-    0.94  0.220 / 0.470
G11     239.2          15.3                6.0 +/-    1.85      14.7 +/-    1.85  0.050 / 0.080
G14     57.0           42.2                3.2 +/-    0.77       4.5 +/-    0.77  0.060 / 0.090
G22     309.6          61.3                4.2 +/-    1.03       4.7 +/-    1.03  0.030 / 0.040
G23     282.6          15.3                1.2 +/-    7.81       3.0 +/-    7.81  0.030 / 0.040
G25     41.1           10.8                3.9 +/-    3.34      10.6 +/-    3.34  0.020 / 0.030
G26     144.0          32.8                6.9 +/-    1.17      11.4 +/-    1.17  0.030 / 0.030
G31     41.9           66.0                4.2 +/-    0.36       4.6 +/-    0.36  0.080 / 0.300
G32     72.1           28.2                2.7 +/-    3.02       4.8 +/-    3.02  0.080 / 0.250