PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/10-14:43:10
G03     222.3          67.1                8.2 +/-    0.92       8.8 +/-    0.92  0.040 / 0.040
G07     249.6          12.7               10.0 +/-    3.50      26.2 +/-    3.50  0.050 / 0.040
G09     303.4          17.8                6.3 +/-    3.38      14.6 +/-    3.38  0.140 / 0.270
G14     100.5          13.1                8.1 +/-    3.96      21.1 +/-    3.96  0.130 / 0.280
G16     133.1          58.2               10.3 +/-    0.61      11.9 +/-    0.61  0.040 / 0.060
G22     188.6          50.6                9.5 +/-    0.68      11.9 +/-    0.68  0.040 / 0.050
G23     319.8          49.7                7.7 +/-    0.39       9.8 +/-    0.39  0.150 / 0.190
G26     71.5           53.4                7.7 +/-    0.41       9.3 +/-    0.41  0.130 / 0.130
G31     52.5           19.7                6.0 +/-    2.83      13.3 +/-    2.83  0.130 / 0.350