PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/25-00:27:30
G01     226.6          19.5               13.5 +/-    1.20      30.1 +/-    1.20  0.040 / 0.040
G03     298.1          64.3                7.7 +/-    1.07       8.5 +/-    1.07  0.030 / 0.030
G14     80.8           29.8                9.1 +/-    1.15      16.1 +/-    1.15  0.050 / 0.090
G16     147.0          41.6               12.0 +/-    0.90      17.0 +/-    0.90  0.040 / 0.090
G22     234.0          73.0               11.6 +/-    0.42      12.1 +/-    0.42  0.070 / 0.160
G23     304.8          35.3               10.5 +/-    1.67      16.5 +/-    1.67  0.070 / 0.160
G26     103.7          53.1                9.8 +/-    0.54      11.9 +/-    0.54  0.120 / 0.200
G31     44.5           34.5                7.5 +/-    0.88      12.0 +/-    0.88  0.120 / 0.280