PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/22-17:58:10
G03     226.8          66.8               10.3 +/-    0.57      11.1 +/-    0.57  0.140 / 0.280
G07     250.0          12.0                8.1 +/-   21.05      21.7 +/-   21.05  0.160 / 0.220
G09     304.4          19.5                8.5 +/-    1.58      18.9 +/-    1.58  0.110 / 0.330
G14     101.5          12.2               10.8 +/-    1.80      28.8 +/-    1.80  0.150 / 0.410
G16     131.6          59.2               11.1 +/-    0.30      12.7 +/-    0.30  0.040 / 0.030
G22     191.5          51.6               12.6 +/-    0.75      15.6 +/-    0.75  0.050 / 0.040
G23     319.7          49.4               10.8 +/-    0.96      13.7 +/-    0.96  0.100 / 0.170
G26     72.5           54.6                9.6 +/-    0.58      11.4 +/-    0.58  0.100 / 0.150
G31     52.5           20.7                9.3 +/-    3.28      20.1 +/-    3.28  0.040 / 0.040