PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/12-03:57:40
G03     191.6          21.7                5.4 +/-    2.04      11.5 +/-    2.04  0.100 / 0.320
G07     291.5          39.3                4.3 +/-    1.71       6.3 +/-    1.71  0.120 / 0.250
G08     142.4          27.7                6.3 +/-    0.98      11.6 +/-    0.98  0.030 / 0.030
G09     321.5          65.6                4.6 +/-    0.46       5.0 +/-    0.46  0.030 / 0.030
G16     43.1           36.4                2.2 +/-    0.80       3.4 +/-    0.80  0.060 / 0.110
G23     117.2          78.3                3.5 +/-    0.44       3.6 +/-    0.44  0.090 / 0.150
G26     44.0           10.5                2.4 +/-    3.49       6.5 +/-    3.49  0.050 / 0.070
G27     99.4           33.5                4.6 +/-    1.10       7.6 +/-    1.10  0.060 / 0.100
G30     273.5          11.1              -10.0 +/-   26.18     -27.1 +/-   26.18  0.150 / 0.250