PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/01-22:28:00
G02     14.0           68.7                7.9 +/-    0.93       8.4 +/-    0.93  0.060 / 0.130
G05     156.4          46.5               12.6 +/-    0.89      16.6 +/-    0.89  0.050 / 0.080
G06     45.0           30.3                6.7 +/-    1.18      11.7 +/-    1.18  0.160 / 0.430
G12     276.1          78.4                8.5 +/-    0.61       8.7 +/-    0.61  0.180 / 0.440
G19     86.0           18.9                8.8 +/-    0.96      19.9 +/-    0.96  0.040 / 0.040
G24     219.1          14.0               15.4 +/-    2.53      39.3 +/-    2.53  0.040 / 0.050
G25     313.0          39.9                8.4 +/-    2.52      12.3 +/-    2.52  0.030 / 0.030
G29     295.9          18.4                9.0 +/-    1.52      20.7 +/-    1.52  0.030 / 0.030