PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/14-11:43:10
G01     226.6          18.3                5.2 +/-    2.78      11.9 +/-    2.78  0.040 / 0.040
G03     284.5          70.3                5.0 +/-    0.63       5.3 +/-    0.63  0.040 / 0.030
G14     85.0           24.8                3.8 +/-    1.79       7.5 +/-    1.79  0.350 / 0.280
G16     150.6          41.7                4.8 +/-    0.84       6.8 +/-    0.84  0.110 / 0.220
G22     211.1          70.6                5.1 +/-    0.58       5.3 +/-    0.58  0.040 / 0.030
G23     306.8          37.2                2.7 +/-    1.20       4.1 +/-    1.20  0.040 / 0.030
G26     103.7          54.2                4.4 +/-    0.41       5.3 +/-    0.41  0.130 / 0.200
G31     44.9           33.5                2.8 +/-    1.08       4.5 +/-    1.08  0.200 / 0.230
G32     96.5           10.2                3.9 +/-    1.19      10.9 +/-    1.19  0.110 / 0.140