PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/14-05:27:50
G01     251.2          35.5                7.2 +/-    2.16      11.3 +/-    2.16  0.040 / 0.040
G03     316.1          42.0                4.6 +/-    1.04       6.5 +/-    1.04  0.040 / 0.040
G11     236.4          12.1                7.0 +/-    3.09      18.8 +/-    3.09  0.070 / 0.100
G14     59.1           42.0                4.3 +/-    1.04       6.1 +/-    1.04  0.060 / 0.080
G16     160.6          19.7               -7.3 +/-    5.77     -16.2 +/-    5.77  0.300 / 0.370
G18     220.6          27.5                6.7 +/-    2.16      12.3 +/-    2.16  0.150 / 0.440
G22     305.0          65.2                5.8 +/-    0.73       6.3 +/-    0.73  0.050 / 0.060
G26     133.6          38.7                7.1 +/-    0.54      10.5 +/-    0.54  0.040 / 0.070
G31     41.5           56.2                4.8 +/-    0.36       5.7 +/-    0.36  0.120 / 0.270
G32     78.1           21.4                3.4 +/-    1.54       7.1 +/-    1.54  0.140 / 0.150