PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/19-21:43:10
G01     316.3          25.0                9.4 +/-    1.17      18.4 +/-    1.17  0.230 / 0.230
G10     89.4           47.7               11.0 +/-    1.20      14.3 +/-    1.20  0.130 / 0.210
G11     299.6          23.5                9.6 +/-    1.74      19.5 +/-    1.74  0.060 / 0.060
G14     304.4          70.1               10.9 +/-    0.63      11.5 +/-    0.63  0.040 / 0.060
G20     111.1          22.9               12.9 +/-    1.23      26.6 +/-    1.23  0.160 / 0.330
G22     303.7          13.1               10.3 +/-    3.25      26.9 +/-    3.25  0.170 / 0.290
G25     96.9           10.6               12.6 +/-    2.78      34.8 +/-    2.78  0.110 / 0.170
G31     173.1          49.2               13.6 +/-    0.72      17.4 +/-    0.72  0.120 / 0.170
G32     19.7           62.5               10.8 +/-    0.73      12.0 +/-    0.73  0.030 / 0.050