PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/24-18:27:40
G07     317.7          53.0               10.5 +/-    1.02      12.8 +/-    1.02  0.050 / 0.050
G08     120.7          44.0               12.6 +/-    0.98      17.3 +/-    0.98  0.040 / 0.040
G09     286.3          81.4                9.5 +/-    0.27       9.6 +/-    0.27  0.060 / 0.060
G16     42.4           24.9                8.5 +/-    1.72      16.7 +/-    1.72  0.060 / 0.060
G23     148.0          60.0               12.5 +/-    0.35      14.2 +/-    0.35  0.290 / 0.340
G27     76.0           37.8               11.4 +/-    1.27      17.2 +/-    1.27  0.140 / 0.230
G28     225.9          12.6                8.7 +/-   18.00      23.0 +/-   18.00  0.040 / 0.030
G30     289.6          25.5               11.1 +/-    1.37      21.4 +/-    1.37  0.040 / 0.030