PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/15-23:58:10
G01     42.8           18.8                7.2 +/-    3.55      16.3 +/-    3.55  0.450 / 0.180
G06     178.9          31.2               10.9 +/-    1.39      18.7 +/-    1.39  0.140 / 0.220
G13     240.0          24.8               10.2 +/-    3.20      20.1 +/-    3.20  0.220 / 0.400
G15     273.7          13.4                7.5 +/-    1.30      19.3 +/-    1.30  0.170 / 0.310
G17     358.7          72.4                8.6 +/-    0.67       8.9 +/-    0.67  0.100 / 0.230
G19     265.9          66.9                8.4 +/-    0.76       9.1 +/-    0.76  0.080 / 0.300
G24     316.9          17.9                6.6 +/-    5.38      15.3 +/-    5.38  0.070 / 0.090
G28     62.4           51.3                8.9 +/-    0.38      11.1 +/-    0.38  0.050 / 0.080
G30     153.4          30.9               10.6 +/-    1.16      18.2 +/-    1.16  0.050 / 0.030