PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/29-22:58:00
G01     43.7           19.9                7.2 +/-    2.94      15.9 +/-    2.94  0.330 / 0.290
G06     178.6          30.1               12.6 +/-    1.24      22.0 +/-    1.24  0.340 / 0.320
G13     241.5          25.9                9.9 +/-    1.92      19.0 +/-    1.92  0.040 / 0.030
G15     275.1          13.9                7.8 +/-    0.79      19.8 +/-    0.79  0.050 / 0.040
G17     353.6          73.9                8.9 +/-    0.47       9.2 +/-    0.47  0.100 / 0.210
G19     262.2          66.1                9.5 +/-    1.14      10.3 +/-    1.14  0.080 / 0.240
G24     317.4          16.3                7.6 +/-    1.28      18.3 +/-    1.28  0.040 / 0.050
G28     59.7           52.1                9.2 +/-    0.53      11.3 +/-    0.53  0.040 / 0.050
G30     152.8          32.1               11.6 +/-    1.04      19.5 +/-    1.04  0.070 / 0.080