PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/19-11:27:30
G01     38.0           11.4                4.3 +/-    3.32      11.7 +/-    3.32  0.140 / 0.270
G02     200.1          10.5               -0.3 +/-    8.60      -0.8 +/-    8.60  0.210 / 0.150
G06     172.0          44.9                7.0 +/-    0.86       9.4 +/-    0.86  0.030 / 0.030
G13     232.3          19.3                7.4 +/-    3.36      16.6 +/-    3.36  0.040 / 0.030
G17     5.9            68.3                5.7 +/-    0.59       6.0 +/-    0.59  0.030 / 0.030
G19     297.2          72.1                6.6 +/-    0.38       6.9 +/-    0.38  0.030 / 0.030
G24     315.0          21.8                4.2 +/-    2.07       8.9 +/-    2.07  0.040 / 0.050
G28     70.6           50.0                5.1 +/-    0.69       6.4 +/-    0.69  0.050 / 0.050
G30     156.3          24.4                5.5 +/-    1.55      10.9 +/-    1.55  0.090 / 0.140