PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-22:28:00
G07     317.0          51.2                9.6 +/-    1.52      12.0 +/-    1.52  0.040 / 0.060
G08     119.9          46.7               13.9 +/-    1.00      18.3 +/-    1.00  0.030 / 0.050
G09     252.5          82.6                9.5 +/-    1.17       9.6 +/-    1.17  0.070 / 0.250
G16     43.4           17.5                7.7 +/-    1.25      18.1 +/-    1.25  0.080 / 0.260
G23     150.0          52.9               11.4 +/-    0.57      13.9 +/-    0.57  0.050 / 0.080
G27     66.8           35.7                9.7 +/-    0.61      15.3 +/-    0.61  0.040 / 0.080
G28     229.3          20.8               11.5 +/-    0.97      24.8 +/-    0.97  0.090 / 0.280
G30     295.0          31.2                9.3 +/-    0.75      15.8 +/-    0.75  0.110 / 0.290