PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/27-09:12:50
G08     318.5          13.4                4.1 +/-    1.86      10.5 +/-    1.86  0.040 / 0.050
G10     311.0          56.1                5.5 +/-    1.68       6.5 +/-    1.68  0.040 / 0.040
G14     212.1          19.8                3.9 +/-    1.82       8.7 +/-    1.82  0.160 / 0.350
G15     45.5           20.0                3.9 +/-    2.49       8.6 +/-    2.49  0.150 / 0.460
G20     12.0           64.2                6.1 +/-    0.68       6.7 +/-    0.68  0.070 / 0.050
G21     118.4          65.5                9.0 +/-    1.02       9.8 +/-    1.02  0.080 / 0.040
G24     86.9           28.6                5.7 +/-    1.18      10.4 +/-    1.18  0.090 / 0.090
G27     293.3          36.0                8.3 +/-    2.16      12.9 +/-    2.16  0.080 / 0.090
G32     214.8          35.1                7.4 +/-    1.27      11.7 +/-    1.27  0.070 / 0.080