PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/11-05:27:30
G03     198.2          34.9                6.6 +/-    2.07      10.4 +/-    2.07  0.020 / 0.030
G07     278.6          31.3                6.1 +/-    0.66      10.4 +/-    0.66  0.030 / 0.030
G08     148.4          18.2                8.3 +/-    1.89      19.2 +/-    1.89  0.090 / 0.100
G09     320.3          51.3                4.3 +/-    0.91       5.3 +/-    0.91  0.050 / 0.090
G16     51.7           55.6                4.8 +/-    0.54       5.7 +/-    0.54  0.090 / 0.300
G22     181.6          18.7                7.4 +/-    2.87      16.7 +/-    2.87  0.130 / 0.250
G23     8.0            80.2                3.0 +/-    0.56       3.0 +/-    0.56  0.030 / 0.050
G26     43.7           27.1                3.1 +/-    2.13       5.7 +/-    2.13  0.030 / 0.050
G27     112.2          27.1                7.8 +/-    1.56      14.6 +/-    1.56  0.050 / 0.050