PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/26-12:57:40
G01     226.6          18.2               16.3 +/-    3.67      37.5 +/-    3.67  0.040 / 0.040
G03     281.6          71.3                7.8 +/-    0.83       8.2 +/-    0.83  0.030 / 0.030
G14     85.3           24.5                8.3 +/-    1.43      16.5 +/-    1.43  0.100 / 0.200
G16     151.5          41.3                8.8 +/-    0.78      12.5 +/-    0.78  0.120 / 0.190
G22     207.3          69.9                9.0 +/-    0.72       9.5 +/-    0.72  0.050 / 0.030
G23     306.4          36.7                5.6 +/-    1.05       8.6 +/-    1.05  0.050 / 0.040
G26     104.6          54.4                7.8 +/-    0.76       9.4 +/-    0.76  0.110 / 0.200
G31     44.8           33.9                6.3 +/-    1.11      10.3 +/-    1.11  0.110 / 0.170
G32     96.4           10.8                8.2 +/-    1.26      22.6 +/-    1.26  0.050 / 0.070