PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/03-12:12:30
G02     72.2           21.2                5.3 +/-    1.99      11.2 +/-    1.99  0.020 / 0.040
G05     46.4           49.7                4.0 +/-    0.66       5.1 +/-    0.66  0.050 / 0.050
G12     179.5          16.6                4.6 +/-    0.92      11.0 +/-    0.92  0.130 / 0.370
G13     113.9          24.2                8.2 +/-    1.81      16.4 +/-    1.81  0.160 / 0.360
G15     152.7          26.1                5.4 +/-    2.52      10.3 +/-    2.52  0.030 / 0.030
G20     226.0          13.0                3.3 +/-    7.06       8.5 +/-    7.06  0.030 / 0.030
G21     284.2          26.6                4.7 +/-    0.79       8.9 +/-    0.79  0.150 / 0.220
G25     219.7          40.3                7.2 +/-    2.05      10.4 +/-    2.05  0.120 / 0.170
G26     318.1          10.9              -11.7 +/-   30.08     -31.9 +/-   30.08  0.080 / 0.170
G29     338.4          68.0                5.1 +/-    0.62       5.5 +/-    0.62  0.080 / 0.160