PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/27-17:27:30
G03     199.6          46.1               12.1 +/-    0.40      16.1 +/-    0.40  0.070 / 0.080
G07     264.6          20.7               11.2 +/-    2.26      24.3 +/-    2.26  0.060 / 0.090
G09     314.4          35.3                9.8 +/-    2.13      15.5 +/-    2.13  0.090 / 0.120
G16     70.2           61.8               12.5 +/-    0.47      13.9 +/-    0.47  0.060 / 0.110
G22     182.8          29.5               11.9 +/-    1.19      21.0 +/-    1.19  0.030 / 0.040
G23     347.0          70.9                9.8 +/-    0.69      10.3 +/-    0.69  0.030 / 0.030
G26     46.8           34.2               11.0 +/-    1.20      17.8 +/-    1.20  0.050 / 0.070
G27     126.2          17.4               13.2 +/-    1.96      30.9 +/-    1.96  0.050 / 0.060