PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-16:13:10
G01     227.1          18.4               10.4 +/-    2.39      23.9 +/-    2.39  0.220 / 0.390
G03     286.5          69.5               10.3 +/-    0.38      10.9 +/-    0.38  0.240 / 0.240
G14     85.2           24.4                9.7 +/-    1.18      19.2 +/-    1.18  0.160 / 0.220
G16     154.0          40.0               11.7 +/-    1.22      17.0 +/-    1.22  0.240 / 0.290
G22     211.4          70.7               11.3 +/-    0.61      11.9 +/-    0.61  0.110 / 0.240
G23     305.4          35.2                8.1 +/-    1.57      12.9 +/-    1.57  0.120 / 0.210
G26     108.9          54.6                9.3 +/-    0.61      11.1 +/-    0.61  0.030 / 0.040
G31     44.1           36.0                7.8 +/-    0.75      12.1 +/-    0.75  0.030 / 0.030
G32     96.5           10.4                9.7 +/-    2.50      26.8 +/-    2.50  0.050 / 0.070