PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/19-04:12:50
G01     284.0          41.3                4.5 +/-    0.78       6.4 +/-    0.78  0.040 / 0.080
G03     313.4          19.7                6.0 +/-    3.33      13.4 +/-    3.33  0.040 / 0.070
G10     123.6          24.3                5.3 +/-    2.01      10.5 +/-    2.01  0.060 / 0.090
G11     258.5          24.1                6.6 +/-    1.17      13.2 +/-    1.17  0.080 / 0.090
G14     30.0           56.5                3.8 +/-    0.69       4.5 +/-    0.69  0.040 / 0.050
G18     244.9          45.0                6.2 +/-    0.63       8.4 +/-    0.63  0.040 / 0.060
G22     314.3          42.1                5.6 +/-    1.21       7.9 +/-    1.21  0.050 / 0.100
G25     60.7           18.1                2.7 +/-    0.69       6.2 +/-    0.69  0.050 / 0.110
G31     85.1           78.3                6.1 +/-    0.30       6.2 +/-    0.30  0.100 / 0.190
G32     57.1           37.0                3.0 +/-    1.07       4.6 +/-    1.07  0.090 / 0.220