PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/12-23:27:50
G01     244.8          32.3                8.0 +/-    2.23      13.3 +/-    2.23  0.040 / 0.040
G03     314.6          48.3                4.7 +/-    0.81       6.1 +/-    0.81  0.030 / 0.040
G14     66.1           37.2                4.7 +/-    0.69       7.2 +/-    0.69  0.080 / 0.100
G16     159.9          23.5                7.1 +/-    3.02      14.4 +/-    3.02  0.110 / 0.110
G18     214.5          22.1                9.1 +/-    2.60      19.0 +/-    2.60  0.050 / 0.110
G22     295.8          69.8                5.4 +/-    0.87       5.7 +/-    0.87  0.050 / 0.100
G23     290.1          21.3                6.9 +/-    1.67      14.7 +/-    1.67  0.070 / 0.260
G26     131.9          42.3                8.1 +/-    1.03      11.3 +/-    1.03  0.090 / 0.250
G31     40.1           54.7                5.0 +/-    0.97       6.0 +/-    0.97  0.070 / 0.230
G32     81.9           19.4                5.7 +/-    1.08      12.7 +/-    1.08  0.070 / 0.240