PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/26-17:43:00
G03     197.0          41.0               15.0 +/-    1.28      21.4 +/-    1.28  0.060 / 0.130
G07     268.7          23.6               13.1 +/-    0.93      26.5 +/-    0.93  0.080 / 0.120
G09     316.4          39.6               11.2 +/-    1.43      16.4 +/-    1.43  0.040 / 0.040
G16     61.1           58.7               13.5 +/-    0.44      15.5 +/-    0.44  0.030 / 0.040
G22     181.6          24.7               14.7 +/-    1.96      28.8 +/-    1.96  0.050 / 0.080
G23     357.0          75.1               10.6 +/-    0.71      11.0 +/-    0.71  0.060 / 0.070
G26     44.9           30.0               10.0 +/-    0.88      17.5 +/-    0.88  0.060 / 0.130
G27     122.1          20.7               16.0 +/-    1.03      34.7 +/-    1.03  0.090 / 0.140