PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/25-04:57:30
G03     193.1          25.6                6.2 +/-    2.60      12.0 +/-    2.60  0.190 / 0.410
G07     287.5          37.2                5.9 +/-    1.43       9.1 +/-    1.43  0.190 / 0.430
G08     146.2          23.7                8.1 +/-    1.73      16.3 +/-    1.73  0.050 / 0.080
G09     321.5          60.4                5.3 +/-    0.87       5.9 +/-    0.87  0.050 / 0.090
G16     44.4           40.6                4.2 +/-    1.12       6.0 +/-    1.12  0.060 / 0.080
G22     180.1          10.8                5.3 +/-    2.42      14.5 +/-    2.42  0.060 / 0.070
G23     98.6           81.0                3.9 +/-    0.55       4.0 +/-    0.55  0.050 / 0.090
G26     43.5           14.1                2.1 +/-    2.51       5.5 +/-    2.51  0.050 / 0.100
G27     104.6          31.6                7.4 +/-    0.66      12.5 +/-    0.66  0.030 / 0.030