PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/06-20:27:50
G01     42.1           18.0               11.5 +/-    0.56      26.7 +/-    0.56  0.040 / 0.060
G06     176.7          34.2               17.1 +/-    1.10      27.6 +/-    1.10  0.040 / 0.070
G13     239.1          24.3               14.4 +/-    0.87      28.5 +/-    0.87  0.110 / 0.200
G15     272.5          13.2               12.6 +/-    1.59      32.7 +/-    1.59  0.100 / 0.200
G17     356.1          72.6               15.2 +/-    0.88      15.8 +/-    0.88  0.090 / 0.130
G19     269.4          68.1               15.3 +/-    0.69      16.4 +/-    0.69  0.090 / 0.150
G24     317.0          17.6               14.0 +/-    2.57      32.7 +/-    2.57  0.060 / 0.110
G28     62.6           51.5               14.4 +/-    0.35      17.8 +/-    0.35  0.060 / 0.120
G30     153.2          28.3               16.6 +/-    0.84      30.0 +/-    0.84  0.080 / 0.250