PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/28-23:27:50
G03     209.9          54.5                8.2 +/-    0.64       9.8 +/-    0.64  0.050 / 0.080
G07     260.8          18.9                7.9 +/-    2.29      17.9 +/-    2.29  0.070 / 0.080
G09     314.3          36.5                5.0 +/-    1.73       7.8 +/-    1.73  0.040 / 0.050
G16     80.2           62.0                6.9 +/-    0.89       7.7 +/-    0.89  0.040 / 0.050
G22     189.0          37.5                6.5 +/-    1.43       9.8 +/-    1.43  0.040 / 0.040
G23     334.3          63.8                5.9 +/-    0.97       6.5 +/-    0.97  0.040 / 0.040
G26     50.4           39.2                5.5 +/-    1.19       8.0 +/-    1.19  0.050 / 0.050
G27     130.6          13.3                9.6 +/-    2.71      24.7 +/-    2.71  0.050 / 0.040