PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/07-11:58:00
G02     72.7           20.7                6.0 +/-    3.14      12.9 +/-    3.14  0.050 / 0.050
G05     46.2           48.9                5.4 +/-    0.60       6.9 +/-    0.60  0.030 / 0.050
G12     179.6          16.2                5.1 +/-    2.28      12.3 +/-    2.28  0.080 / 0.090
G13     113.3          24.6               10.8 +/-    2.01      21.2 +/-    2.01  0.060 / 0.090
G15     152.2          26.7                6.5 +/-    1.67      12.3 +/-    1.67  0.030 / 0.020
G20     226.3          13.6                4.3 +/-    6.21      11.0 +/-    6.21  0.030 / 0.020
G21     284.8          27.1                5.5 +/-    2.14      10.3 +/-    2.14  0.090 / 0.200
G25     219.1          39.7                7.3 +/-    1.33      10.7 +/-    1.33  0.170 / 0.200
G26     317.7          11.2               -7.1 +/-   31.18     -19.2 +/-   31.18  0.080 / 0.170
G29     338.9          68.6                6.0 +/-    0.73       6.4 +/-    0.73  0.100 / 0.150