PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/14-22:12:50
G01     95.1           30.1               12.7 +/-    1.73      22.1 +/-    1.73  0.040 / 0.040
G07     122.1          44.5               14.0 +/-    1.00      18.9 +/-    1.00  0.040 / 0.040
G08     41.8           9.8                 7.0 +/-    3.45      19.7 +/-    3.45  0.040 / 0.050
G11     72.2           40.9               10.6 +/-    1.70      15.1 +/-    1.70  0.050 / 0.040
G13     299.2          35.1               10.8 +/-    0.98      17.2 +/-    0.98  0.100 / 0.210
G17     210.2          50.7               13.6 +/-    0.47      17.0 +/-    0.47  0.210 / 0.330
G18     65.4           23.2               10.0 +/-    2.21      20.4 +/-    2.21  0.060 / 0.100
G19     212.2          22.6               15.0 +/-    2.84      31.0 +/-    2.84  0.080 / 0.090
G28     331.7          61.4                9.4 +/-    0.94      10.6 +/-    0.94  0.100 / 0.540
G30     86.4           78.5               11.6 +/-    0.70      11.8 +/-    0.70  0.120 / 0.750