PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/10-19:12:50
G07     310.0          49.6               10.1 +/-    1.40      12.9 +/-    1.40  0.030 / 0.060
G08     126.7          40.1               14.2 +/-    0.77      20.7 +/-    0.77  0.030 / 0.070
G09     307.7          77.0               11.5 +/-    0.52      11.7 +/-    0.52  0.080 / 0.060
G16     41.9           30.3                9.2 +/-    1.46      16.1 +/-    1.46  0.060 / 0.060
G23     143.4          66.4               12.7 +/-    0.43      13.7 +/-    0.43  0.030 / 0.030
G27     83.8           37.8               11.4 +/-    1.13      17.3 +/-    1.13  0.030 / 0.020
G30     285.0          21.6               10.4 +/-    2.22      22.0 +/-    2.22  0.050 / 0.070