PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/25-03:57:40
G03     207.7          52.6                5.8 +/-    0.67       7.1 +/-    0.67  0.070 / 0.110
G07     262.9          21.3                5.5 +/-    1.78      11.8 +/-    1.78  0.060 / 0.090
G09     313.9          34.9                3.8 +/-    1.58       6.0 +/-    1.58  0.100 / 0.250
G16     76.4           61.7                5.1 +/-    0.37       5.7 +/-    0.37  0.090 / 0.210
G22     188.6          36.0                6.9 +/-    2.20      10.7 +/-    2.20  0.170 / 0.350
G23     339.2          66.9                1.8 +/-    0.61       1.9 +/-    0.61  0.180 / 0.280
G26     49.0           37.3                3.5 +/-    0.52       5.3 +/-    0.52  0.030 / 0.040
G27     129.5          14.5                6.1 +/-    3.86      15.4 +/-    3.86  0.040 / 0.040