PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/27-16:28:00
G03     199.6          47.1               13.0 +/-    0.60      17.0 +/-    0.60  0.080 / 0.260
G07     266.1          25.5               10.3 +/-    2.94      19.9 +/-    2.94  0.130 / 0.160
G09     314.1          34.7                8.1 +/-    0.98      12.9 +/-    0.98  0.180 / 0.360
G16     82.8           65.6               10.3 +/-    0.49      11.2 +/-    0.49  0.200 / 0.280
G22     183.0          29.6               11.6 +/-    1.43      20.4 +/-    1.43  0.060 / 0.060
G23     338.2          67.1               10.4 +/-    0.88      11.2 +/-    0.88  0.050 / 0.060
G26     49.3           39.4                9.1 +/-    1.02      13.4 +/-    1.02  0.100 / 0.080
G27     129.4          15.9               10.6 +/-    3.08      25.8 +/-    3.08  0.060 / 0.080