PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/14-13:28:00
G02     70.8           22.7                3.3 +/-    0.76       6.7 +/-    0.76  0.060 / 0.140
G05     47.2           52.1                2.5 +/-    0.91       3.1 +/-    0.91  0.060 / 0.130
G12     179.2          16.9                4.3 +/-    1.09      10.1 +/-    1.09  0.030 / 0.040
G13     115.1          23.5                7.4 +/-    2.21      15.0 +/-    2.21  0.030 / 0.040
G15     154.2          24.7                8.8 +/-    1.66      17.4 +/-    1.66  0.130 / 0.210
G20     225.4          11.5                2.8 +/-   10.36       7.7 +/-   10.36  0.120 / 0.220
G21     282.9          25.4                7.9 +/-    2.07      15.3 +/-    2.07  0.060 / 0.100
G25     221.2          41.5                7.8 +/-    0.76      11.0 +/-    0.76  0.060 / 0.150
G26     318.7          10.4              -17.1 +/-   23.85     -47.3 +/-   23.85  0.020 / 0.030
G29     337.4          66.7                4.1 +/-    0.69       4.5 +/-    0.69  0.020 / 0.040