PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-01:42:40
G03     261.5          70.0                4.4 +/-    0.31       4.6 +/-    0.31  0.040 / 0.040
G09     300.3          15.7                2.2 +/-    2.62       5.4 +/-    2.62  0.030 / 0.040
G14     93.0           21.2                3.4 +/-    0.91       7.3 +/-    0.91  0.110 / 0.390
G16     132.7          53.9                6.6 +/-    0.94       8.0 +/-    0.94  0.170 / 0.360
G22     204.7          62.4                5.9 +/-    0.63       6.5 +/-    0.63  0.120 / 0.230
G23     315.2          45.2                6.0 +/-    1.27       8.0 +/-    1.27  0.130 / 0.320
G26     78.7           53.3                3.5 +/-    0.82       4.3 +/-    0.82  0.030 / 0.030
G31     49.9           23.0                2.3 +/-    1.76       4.7 +/-    1.76  0.030 / 0.030