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                9.6 +/-    1.45      14.1 +/-    1.45  0.060 / 0.050
G10     113.3          32.5               10.9 +/-    1.48      18.1 +/-    1.48  0.040 / 0.050
G11     276.5          25.9               10.4 +/-    1.14      19.9 +/-    1.14  0.080 / 0.150
G14     2.2            65.3                8.9 +/-    0.43       9.7 +/-    0.43  0.080 / 0.160
G22     312.2          30.2                8.6 +/-    1.41      15.0 +/-    1.41  0.070 / 0.200
G25     75.6           17.8                8.8 +/-    0.92      20.5 +/-    0.92  0.080 / 0.140
G31     153.0          72.7               11.8 +/-    0.72      12.3 +/-    0.72  0.030 / 0.030
G32     44.6           46.3                7.7 +/-    0.44      10.2 +/-    0.44  0.040 / 0.030