PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/24-23:12:50
G01     317.8          20.4               13.6 +/-    2.47      29.8 +/-    2.47  0.130 / 0.270
G08     253.8          11.6               16.2 +/-    2.07      43.7 +/-    2.07  0.120 / 0.240
G10     83.5           52.3               12.1 +/-    0.60      14.9 +/-    0.60  0.170 / 0.470
G11     299.8          25.1               13.8 +/-    0.88      26.8 +/-    0.88  0.210 / 0.340
G14     310.1          71.4               12.2 +/-    0.76      12.8 +/-    0.76  0.040 / 0.060
G18     104.5          26.5               14.7 +/-    1.05      27.7 +/-    1.05  0.050 / 0.050
G22     301.7          11.7               12.5 +/-    4.21      33.7 +/-    4.21  0.020 / 0.030
G31     179.3          41.6               16.5 +/-    1.36      23.5 +/-    1.36  0.030 / 0.030
G32     6.7            67.0               11.9 +/-    0.64      12.9 +/-    0.64  0.060 / 0.050