PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/14-17:42:40
G03     195.5          37.5               14.5 +/-    0.83      22.0 +/-    0.83  0.100 / 0.130
G07     274.8          31.0               13.4 +/-    1.31      22.9 +/-    1.31  0.090 / 0.120
G08     152.1          13.3               16.3 +/-    3.25      42.3 +/-    3.25  0.050 / 0.080
G09     317.8          43.7               10.8 +/-    0.63      14.8 +/-    0.63  0.070 / 0.090
G16     61.8           61.0               12.1 +/-    0.62      13.7 +/-    0.62  0.040 / 0.050
G22     181.0          20.7               14.5 +/-    1.73      31.3 +/-    1.73  0.040 / 0.050
G23     352.8          75.7               12.2 +/-    1.15      12.6 +/-    1.15  0.090 / 0.140
G26     45.3           31.6                9.7 +/-    0.77      16.5 +/-    0.77  0.080 / 0.150
G27     121.5          22.6               13.5 +/-    1.05      28.0 +/-    1.05  0.140 / 0.210