PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/14-20:43:10
G07     46.2           68.2               14.6 +/-    1.01      15.6 +/-    1.01  0.030 / 0.030
G08     55.3           43.0               12.8 +/-    1.69      17.8 +/-    1.69  0.030 / 0.030
G09     179.4          44.2               16.6 +/-    1.18      22.6 +/-    1.18  0.120 / 0.110
G11     123.4          32.0               15.7 +/-    1.16      26.3 +/-    1.16  0.090 / 0.090
G18     106.7          13.3               15.0 +/-    1.83      38.9 +/-    1.83  0.070 / 0.050
G23     161.0          15.1               17.0 +/-    1.57      42.2 +/-    1.57  0.050 / 0.050
G27     39.2           14.5               10.4 +/-    3.43      26.2 +/-    3.43  0.120 / 0.350
G28     262.9          45.9               17.0 +/-    2.71      22.6 +/-    2.71  0.170 / 0.290
G30     325.9          55.5               14.0 +/-    0.32      16.5 +/-    0.32  0.070 / 0.040