PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/27-04:43:00
G01     247.2          33.5                3.1 +/-    2.00       5.1 +/-    2.00  0.030 / 0.030
G03     315.3          45.0                1.3 +/-    0.66       1.7 +/-    0.66  0.030 / 0.030
G14     63.3           39.4                1.9 +/-    0.76       2.9 +/-    0.76  0.090 / 0.110
G16     158.7          23.1                2.6 +/-    1.98       5.2 +/-    1.98  0.110 / 0.110
G18     217.8          24.6                3.4 +/-    1.29       6.7 +/-    1.29  0.040 / 0.090
G22     300.3          67.6                3.5 +/-    0.41       3.7 +/-    0.41  0.040 / 0.090
G23     289.0          20.7               -0.2 +/-    3.56      -0.5 +/-    3.56  0.080 / 0.320
G26     129.8          41.6                3.7 +/-    0.82       5.3 +/-    0.82  0.200 / 0.180
G31     41.0           52.5                2.5 +/-    0.67       3.1 +/-    0.67  0.070 / 0.190
G32     81.1           19.1                2.1 +/-    2.01       4.7 +/-    2.01  0.080 / 0.210