PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/31-21:42:50
G01     298.3          39.5                7.8 +/-    6.74      11.4 +/-    6.74  0.080 / 0.150
G10     113.3          32.5               11.4 +/-    1.15      18.9 +/-    1.15  0.100 / 0.120
G14     2.2            65.3                8.8 +/-    0.59       9.6 +/-    0.59  0.050 / 0.040
G22     312.2          30.2                7.2 +/-    0.94      12.6 +/-    0.94  0.040 / 0.040
G25     75.6           17.8                9.0 +/-    2.38      20.9 +/-    2.38  0.020 / 0.030
G31     153.0          72.7               10.0 +/-    0.56      10.4 +/-    0.56  0.030 / 0.030
G32     44.6           46.3                8.1 +/-    0.79      10.8 +/-    0.79  0.070 / 0.150