PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/27-03:27:50
G01     249.7          34.7                9.9 +/-    2.34      15.8 +/-    2.34  0.190 / 0.200
G03     315.8          42.6                6.6 +/-    0.60       9.3 +/-    0.60  0.080 / 0.160
G11     234.8          12.3                6.9 +/-    2.69      18.4 +/-    2.69  0.040 / 0.040
G14     62.6           38.9                6.1 +/-    1.08       9.1 +/-    1.08  0.030 / 0.040
G16     165.2          17.4                4.9 +/-    2.44      11.5 +/-    2.44  0.080 / 0.080
G22     304.0          66.3                7.3 +/-    0.53       7.9 +/-    0.53  0.090 / 0.080
G23     286.7          18.6                7.8 +/-    1.99      17.8 +/-    1.99  0.160 / 0.310
G26     139.8          37.5                8.7 +/-    0.54      13.1 +/-    0.54  0.130 / 0.210
G31     39.8           60.5                5.2 +/-    0.56       5.8 +/-    0.56  0.030 / 0.030
G32     76.8           24.9                6.7 +/-    1.48      13.0 +/-    1.48  0.040 / 0.030