PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/15-00:57:50
G01     230.4          23.1               13.7 +/-    2.43      27.9 +/-    2.43  0.040 / 0.030
G03     305.3          60.4                8.2 +/-    0.97       9.3 +/-    0.97  0.040 / 0.030
G14     76.3           32.5                5.6 +/-    0.85       9.4 +/-    0.85  0.070 / 0.120
G16     150.7          36.8               11.0 +/-    0.83      16.8 +/-    0.83  0.060 / 0.130
G22     252.8          74.5                9.7 +/-    0.68      10.0 +/-    0.68  0.030 / 0.040
G23     301.3          32.2                7.5 +/-    1.49      12.5 +/-    1.49  0.030 / 0.030
G26     112.0          51.2                8.4 +/-    0.71      10.4 +/-    0.71  0.290 / 0.280
G31     43.1           38.7                5.7 +/-    0.97       8.5 +/-    0.97  0.250 / 0.210
G32     92.6           10.4                8.3 +/-    2.00      23.1 +/-    2.00  0.050 / 0.060