PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/21-01:42:40
G01     317.8          22.0                5.3 +/-    2.74      11.2 +/-    2.74  0.070 / 0.210
G08     259.0          12.1                9.2 +/-    7.74      24.5 +/-    7.74  0.080 / 0.150
G10     85.2           49.8                7.0 +/-    1.06       8.8 +/-    1.06  0.040 / 0.050
G11     301.1          23.4                6.4 +/-    1.26      13.0 +/-    1.26  0.040 / 0.070
G14     301.3          70.7                8.1 +/-    0.74       8.6 +/-    0.74  0.170 / 0.470
G18     301.4          43.2                8.1 +/-    1.22      11.2 +/-    1.22  0.140 / 0.380
G20     108.3          26.5                8.5 +/-    1.31      16.0 +/-    1.31  0.080 / 0.240
G22     302.4          11.5                4.0 +/-    9.13      10.8 +/-    9.13  0.080 / 0.210
G31     173.4          46.5                8.7 +/-    1.17      11.4 +/-    1.17  0.200 / 0.400
G32     12.4           65.7                5.4 +/-    0.81       5.8 +/-    0.81  0.220 / 0.430