PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/22-14:27:50
G02     352.7          75.8                6.0 +/-    0.48       6.1 +/-    0.48  0.220 / 0.460
G05     164.5          36.4                7.5 +/-    0.99      11.6 +/-    0.99  0.270 / 0.280
G06     42.7           34.9                5.2 +/-    0.85       8.3 +/-    0.85  0.130 / 0.280
G12     301.0          76.4                5.0 +/-    0.96       5.1 +/-    0.96  0.320 / 0.300
G17     88.4           10.2                8.0 +/-    4.42      22.3 +/-    4.42  0.080 / 0.110
G19     79.6           22.5                5.9 +/-    1.21      12.2 +/-    1.21  0.070 / 0.150
G24     226.2          19.7                7.2 +/-    3.39      16.0 +/-    3.39  0.040 / 0.030
G25     316.1          32.0                5.7 +/-    1.26       9.5 +/-    1.26  0.040 / 0.020
G29     288.7          11.0               -5.6 +/-   18.17     -15.3 +/-   18.17  0.040 / 0.080