PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/23-01:28:10
G01     318.7          19.8                8.0 +/-    3.07      17.8 +/-    3.07  0.120 / 0.350
G08     261.2          13.3               12.2 +/-    1.41      31.6 +/-    1.41  0.120 / 0.280
G10     81.4           51.3                9.6 +/-    0.79      11.9 +/-    0.79  0.040 / 0.060
G11     303.6          22.3                7.1 +/-    2.53      14.8 +/-    2.53  0.040 / 0.060
G14     293.0          70.1                9.4 +/-    0.59       9.9 +/-    0.59  0.080 / 0.240
G18     304.1          41.4                9.1 +/-    1.04      12.9 +/-    1.04  0.080 / 0.260
G20     106.1          28.4                8.6 +/-    0.93      15.5 +/-    0.93  0.180 / 0.300
G31     174.2          43.5               12.5 +/-    0.71      17.3 +/-    0.71  0.190 / 0.240
G32     7.7            67.5                8.6 +/-    1.05       9.2 +/-    1.05  0.070 / 0.090