PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/01-23:57:30
G01     225.6          18.6                9.8 +/-    1.90      22.2 +/-    1.90  0.040 / 0.040
G03     295.8          65.1                4.1 +/-    1.19       4.5 +/-    1.19  0.030 / 0.040
G14     81.7           29.4                6.1 +/-    0.68      10.8 +/-    0.68  0.130 / 0.310
G16     146.0          42.8                9.3 +/-    0.80      12.9 +/-    0.80  0.150 / 0.310
G22     229.7          72.3                7.4 +/-    0.58       7.7 +/-    0.58  0.070 / 0.190
G23     305.6          35.9                7.1 +/-    1.17      11.1 +/-    1.17  0.080 / 0.180
G26     101.6          53.5                7.7 +/-    0.66       9.3 +/-    0.66  0.040 / 0.030
G31     44.8           33.6                4.1 +/-    0.66       6.6 +/-    0.66  0.040 / 0.030