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                4.3 +/-    0.91       7.3 +/-    0.91  0.030 / 0.030
G07     125.5          44.6                5.8 +/-    1.08       7.9 +/-    1.08  0.020 / 0.030
G11     70.2           42.3                4.5 +/-    0.30       6.3 +/-    0.30  0.070 / 0.110
G13     293.2          37.4                3.8 +/-    0.72       5.8 +/-    0.72  0.070 / 0.110
G15     314.2          10.8               -4.3 +/-   17.41     -11.8 +/-   17.41  0.040 / 0.050
G17     213.3          53.1                7.7 +/-    1.24       9.3 +/-    1.24  0.030 / 0.060
G19     213.5          29.5                4.8 +/-    1.98       8.4 +/-    1.98  0.040 / 0.080
G28     332.1          60.9                2.5 +/-    1.11       2.8 +/-    1.11  0.040 / 0.070
G30     98.5           79.0                5.6 +/-    0.63       5.7 +/-    0.63  0.040 / 0.060