PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/26-06:57:40
G01     87.7           31.1                3.7 +/-    2.09       6.4 +/-    2.09  0.030 / 0.030
G07     125.5          44.6                5.9 +/-    0.56       8.0 +/-    0.56  0.030 / 0.020
G11     70.2           42.3                4.5 +/-    0.81       6.2 +/-    0.81  0.130 / 0.220
G13     293.2          37.4                4.4 +/-    4.15       6.6 +/-    4.15  0.110 / 0.180
G15     314.2          10.8               -5.8 +/-   16.39     -16.0 +/-   16.39  0.060 / 0.050
G17     213.3          53.1                6.5 +/-    0.68       8.0 +/-    0.68  0.050 / 0.040
G19     213.5          29.5                6.6 +/-    1.85      11.6 +/-    1.85  0.040 / 0.040
G28     332.1          60.9                2.4 +/-    0.44       2.7 +/-    0.44  0.040 / 0.060
G30     98.5           79.0                4.7 +/-    0.27       4.8 +/-    0.27  0.040 / 0.050