PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/22-13:12:50
G02     77.2           17.5                4.3 +/-    0.68      10.0 +/-    0.68  0.060 / 0.140
G05     44.6           43.9                3.2 +/-    0.49       4.4 +/-    0.49  0.080 / 0.140
G12     177.7          10.0                4.0 +/-    1.15      11.1 +/-    1.15  0.110 / 0.290
G13     107.2          28.1                8.6 +/-    0.70      15.7 +/-    0.70  0.090 / 0.170
G15     148.7          31.7                7.3 +/-    1.47      12.3 +/-    1.47  0.030 / 0.060
G20     229.4          18.3                4.3 +/-    6.22       9.9 +/-    6.22  0.030 / 0.050
G21     289.8          30.3                5.3 +/-    1.26       9.3 +/-    1.26  0.030 / 0.030
G25     214.7          34.5                4.8 +/-    2.29       7.6 +/-    2.29  0.020 / 0.030
G26     313.2          14.4                2.0 +/-    1.60       4.9 +/-    1.60  0.080 / 0.190
G29     345.0          75.0                4.9 +/-    0.42       5.0 +/-    0.42  0.100 / 0.180