PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/12-19:43:10
G07     334.9          59.1               11.3 +/-    0.96      13.0 +/-    0.96  0.120 / 0.240
G08     102.5          50.3               13.7 +/-    1.21      17.2 +/-    1.21  0.130 / 0.270
G09     201.6          78.1               12.0 +/-    0.70      12.2 +/-    0.70  0.060 / 0.080
G11     146.7          11.8               18.9 +/-    4.96      50.8 +/-    4.96  0.050 / 0.060
G16     45.1           14.8                9.6 +/-    3.70      23.9 +/-    3.70  0.080 / 0.110
G23     154.7          47.0               13.3 +/-    1.21      17.4 +/-    1.21  0.070 / 0.130
G27     61.0           34.9               11.0 +/-    0.55      17.5 +/-    0.55  0.030 / 0.070
G28     233.4          23.0               16.0 +/-    1.46      32.7 +/-    1.46  0.040 / 0.070
G30     299.1          33.0               11.4 +/-    1.87      18.9 +/-    1.87  0.030 / 0.050