PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/15-17:28:10
G03     197.5          42.0               12.9 +/-    0.87      18.1 +/-    0.87  0.060 / 0.180
G07     270.7          28.3               12.3 +/-    1.66      22.3 +/-    1.66  0.110 / 0.100
G09     316.3          39.6               10.1 +/-    0.69      14.8 +/-    0.69  0.040 / 0.040
G16     70.8           63.9               12.6 +/-    0.32      13.9 +/-    0.32  0.040 / 0.040
G22     182.1          24.9               14.0 +/-    2.29      27.3 +/-    2.29  0.110 / 0.170
G23     344.6          71.7               11.7 +/-    0.83      12.3 +/-    0.83  0.090 / 0.160
G26     46.8           35.4               10.6 +/-    0.93      16.6 +/-    0.93  0.060 / 0.060
G27     125.3          19.5               15.3 +/-    2.07      34.0 +/-    2.07  0.060 / 0.080