PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/22-14:27:40
G02     352.7          75.8                4.8 +/-    0.48       5.0 +/-    0.48  0.040 / 0.090
G05     164.5          36.4                7.2 +/-    0.96      11.2 +/-    0.96  0.050 / 0.070
G06     42.7           34.9                4.4 +/-    0.72       7.0 +/-    0.72  0.090 / 0.200
G12     301.0          76.4                4.8 +/-    0.55       4.9 +/-    0.55  0.110 / 0.270
G17     88.4           10.2                6.0 +/-    2.66      16.7 +/-    2.66  0.060 / 0.310
G19     79.6           22.5                4.4 +/-    1.05       9.0 +/-    1.05  0.060 / 0.270
G24     226.2          19.7                7.5 +/-    1.30      16.7 +/-    1.30  0.030 / 0.030
G25     316.1          32.0                5.5 +/-    2.21       9.2 +/-    2.21  0.030 / 0.040
G29     288.7          11.0               -1.3 +/-   22.63      -3.7 +/-   22.63  0.060 / 0.170