PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/11-23:57:50
G01     48.1           24.0                7.7 +/-    1.64      15.5 +/-    1.64  0.190 / 0.340
G06     180.3          23.0               11.5 +/-    3.35      23.5 +/-    3.35  0.190 / 0.300
G11     43.7           12.2                7.0 +/-    2.62      18.5 +/-    2.62  0.040 / 0.040
G13     247.5          29.7                9.8 +/-    1.08      17.4 +/-    1.08  0.030 / 0.050
G15     281.1          15.4                7.1 +/-    1.41      17.5 +/-    1.41  0.060 / 0.040
G17     334.3          77.8                9.1 +/-    0.86       9.3 +/-    0.86  0.050 / 0.040
G19     249.2          61.3               10.6 +/-    0.62      11.9 +/-    0.62  0.110 / 0.170
G24     318.4          11.5               -1.8 +/-   31.82      -4.8 +/-   31.82  0.140 / 0.170
G28     50.7           54.4                9.5 +/-    1.18      11.4 +/-    1.18  0.120 / 0.210
G30     150.6          39.0               10.5 +/-    1.50      15.5 +/-    1.50  0.090 / 0.180