PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/20-00:27:50
G03     201.9          44.1                6.5 +/-    0.94       8.9 +/-    0.94  0.100 / 0.170
G07     269.6          25.3                5.6 +/-    1.62      11.0 +/-    1.62  0.130 / 0.150
G08     155.2          10.1               -8.4 +/-   19.16     -23.3 +/-   19.16  0.130 / 0.560
G09     318.5          45.3                4.5 +/-    1.36       6.1 +/-    1.36  0.190 / 0.580
G16     60.0           56.3                4.0 +/-    0.78       4.7 +/-    0.78  0.060 / 0.070
G22     185.8          27.2                5.7 +/-    0.86      10.5 +/-    0.86  0.060 / 0.060
G23     348.4          73.3                4.2 +/-    0.60       4.3 +/-    0.60  0.040 / 0.050
G26     45.5           30.3                3.9 +/-    1.00       6.8 +/-    1.00  0.040 / 0.050
G27     122.3          20.4                7.3 +/-    1.43      15.8 +/-    1.43  0.030 / 0.040