PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/19-16:27:40
G05     47.4           21.8                5.8 +/-    0.86      12.3 +/-    0.86  0.050 / 0.140
G10     234.7          12.7               10.3 +/-    2.95      27.0 +/-    2.95  0.060 / 0.160
G13     77.1           35.3                8.3 +/-    0.60      13.1 +/-    0.60  0.200 / 0.460
G15     125.0          51.4               10.8 +/-    0.76      13.4 +/-    0.76  0.160 / 0.560
G16     315.1          12.2                8.8 +/-    2.27      23.4 +/-    2.27  0.130 / 0.330
G20     247.3          37.4               12.2 +/-    1.38      18.5 +/-    1.38  0.130 / 0.410
G21     311.6          45.2                7.4 +/-    1.74      10.0 +/-    1.74  0.050 / 0.110
G25     200.8          13.3                9.9 +/-    2.81      25.6 +/-    2.81  0.050 / 0.090
G26     289.6          20.2                8.8 +/-    2.46      19.2 +/-    2.46  0.030 / 0.030
G29     150.9          75.9               11.5 +/-    1.49      11.9 +/-    1.49  0.030 / 0.030