PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/03-19:57:50
G03     203.8          50.0                9.2 +/-    1.34      11.6 +/-    1.34  0.040 / 0.060
G07     264.4          23.2                5.7 +/-    1.50      11.5 +/-    1.50  0.040 / 0.050
G09     314.0          34.8                8.4 +/-    1.81      13.3 +/-    1.81  0.150 / 0.290
G16     82.8           65.0               10.0 +/-    0.32      10.9 +/-    0.32  0.130 / 0.250
G22     185.5          33.0               -7.0 +/-    1.79     -11.5 +/-    1.79  0.070 / 0.180
G23     335.0          65.0                8.7 +/-    0.87       9.5 +/-    0.87  0.050 / 0.180
G26     50.7           41.9                8.3 +/-    0.69      11.7 +/-    0.69  0.040 / 0.050
G27     131.1          14.9               13.0 +/-    1.06      32.4 +/-    1.06  0.050 / 0.050