PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/24-16:42:30
G01     49.5           24.9                9.6 +/-    0.99      18.9 +/-    0.99  0.040 / 0.050
G06     177.5          24.3                9.5 +/-    1.69      18.9 +/-    1.69  0.040 / 0.070
G11     44.4           15.2                9.3 +/-    1.27      23.0 +/-    1.27  0.160 / 0.400
G13     249.4          31.1               10.7 +/-    1.20      18.3 +/-    1.20  0.170 / 0.390
G15     283.2          15.8                9.6 +/-    1.45      23.5 +/-    1.45  0.070 / 0.130
G17     302.7          78.5               12.2 +/-    0.63      12.5 +/-    0.63  0.080 / 0.130
G19     246.1          61.0               12.7 +/-    0.64      14.3 +/-    0.64  0.030 / 0.030
G28     44.1           56.3               11.1 +/-    0.79      13.1 +/-    0.79  0.020 / 0.030
G30     149.1          39.1               10.4 +/-    1.16      15.3 +/-    1.16  0.040 / 0.050