PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/28-00:27:50
G01     222.7          15.5                7.8 +/-    1.43      19.2 +/-    1.43  0.030 / 0.040
G03     286.0          67.8                5.8 +/-    0.59       6.2 +/-    0.59  0.040 / 0.030
G09     295.6          10.8               -6.4 +/-   29.23     -17.5 +/-   29.23  0.050 / 0.090
G14     85.8           26.6                5.4 +/-    2.18      10.2 +/-    2.18  0.060 / 0.090
G16     142.1          46.9                9.6 +/-    1.66      12.6 +/-    1.66  0.110 / 0.180
G22     218.2          69.4                7.3 +/-    0.61       7.7 +/-    0.61  0.120 / 0.220
G23     308.9          39.0                6.3 +/-    0.88       9.3 +/-    0.88  0.130 / 0.180
G26     93.5           54.2                7.2 +/-    0.63       8.6 +/-    0.63  0.160 / 0.210
G31     46.4           29.8                4.3 +/-    1.03       7.6 +/-    1.03  0.030 / 0.040