PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/27-12:27:50
G01     305.2          35.2                7.2 +/-    1.10      11.4 +/-    1.10  0.100 / 0.090
G10     108.3          37.4                5.7 +/-    0.66       8.7 +/-    0.66  0.080 / 0.100
G11     278.1          28.1                6.9 +/-    1.00      12.7 +/-    1.00  0.040 / 0.040
G14     3.6            65.7                5.6 +/-    0.83       6.0 +/-    0.83  0.040 / 0.040
G18     269.7          51.2                7.9 +/-    1.69       9.8 +/-    1.69  0.050 / 0.050
G20     121.9          12.2                4.5 +/-    1.74      12.0 +/-    1.74  0.050 / 0.060
G22     311.6          31.5                6.0 +/-    1.53      10.2 +/-    1.53  0.050 / 0.030
G25     78.7           16.5                4.3 +/-    2.57      10.4 +/-    2.57  0.040 / 0.030
G31     167.6          65.9                8.5 +/-    0.31       9.2 +/-    0.31  0.090 / 0.110
G32     32.7           54.9                5.0 +/-    1.16       6.0 +/-    1.16  0.070 / 0.120