PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/30-17:28:00
G03     196.9          40.6               10.7 +/-    1.78      15.4 +/-    1.78  0.090 / 0.120
G07     269.3          24.0               12.0 +/-    1.51      24.0 +/-    1.51  0.080 / 0.150
G09     316.6          40.2               11.9 +/-    1.16      17.3 +/-    1.16  0.070 / 0.070
G16     60.0           58.1               12.2 +/-    0.29      14.1 +/-    0.29  0.080 / 0.060
G22     181.3          24.0               11.0 +/-    1.77      22.0 +/-    1.77  0.070 / 0.210
G23     359.4          75.7               10.4 +/-    0.64      10.7 +/-    0.64  0.080 / 0.220
G26     44.7           29.4                9.7 +/-    1.75      17.2 +/-    1.75  0.030 / 0.040
G27     121.6          21.1               13.2 +/-    1.06      28.3 +/-    1.06  0.030 / 0.040