PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-16:42:40
G03     242.6          70.6               11.2 +/-    0.42      11.8 +/-    0.42  0.090 / 0.220
G09     300.5          14.5                8.0 +/-    1.62      20.0 +/-    1.62  0.080 / 0.200
G14     96.3           16.4               10.1 +/-    1.97      24.4 +/-    1.97  0.100 / 0.270
G16     142.7          53.0               11.5 +/-    0.86      14.0 +/-    0.86  0.110 / 0.340
G22     194.4          57.9               11.3 +/-    0.94      13.0 +/-    0.94  0.050 / 0.030
G23     315.0          44.6                9.3 +/-    0.95      12.7 +/-    0.95  0.040 / 0.030
G26     83.4           56.1                9.2 +/-    0.91      10.8 +/-    0.91  0.060 / 0.050
G31     49.5           25.1                8.0 +/-    1.54      15.5 +/-    1.54  0.040 / 0.050