PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/14-22:13:00
G01     95.1           30.1               11.8 +/-    0.89      20.6 +/-    0.89  0.040 / 0.050
G07     122.1          44.5               15.0 +/-    0.55      20.3 +/-    0.55  0.040 / 0.070
G11     72.2           40.9               11.7 +/-    0.66      16.8 +/-    0.66  0.040 / 0.070
G13     299.2          35.1               11.7 +/-    1.15      18.5 +/-    1.15  0.030 / 0.060
G17     210.2          50.7               14.3 +/-    1.60      17.9 +/-    1.60  0.080 / 0.150
G18     65.4           23.2                9.5 +/-    0.94      19.4 +/-    0.94  0.080 / 0.150
G19     212.2          22.6               14.3 +/-    1.54      29.5 +/-    1.54  0.080 / 0.120
G28     331.7          61.4               10.6 +/-    1.43      11.9 +/-    1.43  0.070 / 0.110
G30     86.4           78.5               11.9 +/-    0.30      12.1 +/-    0.30  0.030 / 0.040