PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/28-01:12:50
G01     254.9          38.8               13.9 +/-    1.33      20.7 +/-    1.33  0.040 / 0.040
G03     316.8          37.5                9.8 +/-    1.40      14.9 +/-    1.40  0.050 / 0.050
G11     243.6          14.2               17.2 +/-    2.09      43.6 +/-    2.09  0.060 / 0.090
G14     51.4           46.5                4.0 +/-    0.87       5.3 +/-    0.87  0.060 / 0.090
G18     224.1          31.4               16.7 +/-    1.40      28.4 +/-    1.40  0.050 / 0.070
G22     310.3          59.3               10.9 +/-    0.84      12.4 +/-    0.84  0.060 / 0.090
G25     45.0           13.2                7.0 +/-    1.35      18.1 +/-    1.35  0.070 / 0.170
G26     140.6          33.7               16.0 +/-    0.92      26.1 +/-    0.92  0.070 / 0.150
G31     44.1           62.6               10.3 +/-    0.66      11.5 +/-    0.66  0.140 / 0.320
G32     72.6           25.8               10.5 +/-    1.53      20.1 +/-    1.53  0.130 / 0.390