PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/27-17:28:00
G03     188.5          20.2               11.2 +/-    0.92      24.5 +/-    0.92  0.110 / 0.140
G07     292.3          41.2               10.2 +/-    2.54      14.5 +/-    2.54  0.110 / 0.160
G08     141.2          27.1               11.1 +/-    1.46      20.8 +/-    1.46  0.060 / 0.090
G09     320.5          60.3                9.3 +/-    1.38      10.5 +/-    1.38  0.070 / 0.080
G16     44.6           45.0                8.3 +/-    0.94      11.2 +/-    0.94  0.320 / 0.310
G23     104.4          81.5                9.4 +/-    0.68       9.5 +/-    0.68  0.160 / 0.270
G26     43.7           16.0                9.0 +/-    2.66      21.9 +/-    2.66  0.040 / 0.040
G27     104.0          32.9               10.8 +/-    0.83      17.8 +/-    0.83  0.040 / 0.030
G30     272.9          12.4                7.6 +/-   18.71      20.2 +/-   18.71  0.290 / 0.400