PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/25-00:43:10
G01     221.6          14.3               11.8 +/-    1.54      30.0 +/-    1.54  0.040 / 0.040
G03     281.5          68.6                8.8 +/-    0.33       9.4 +/-    0.33  0.040 / 0.040
G09     296.6          11.8                8.7 +/-    6.39      23.4 +/-    6.39  0.040 / 0.080
G14     87.3           25.5                8.8 +/-    1.12      17.1 +/-    1.12  0.040 / 0.060
G16     140.4          48.4               10.7 +/-    0.93      13.8 +/-    0.93  0.100 / 0.200
G22     214.7          68.1               10.8 +/-    1.00      11.5 +/-    1.00  0.100 / 0.190
G23     310.2          40.3                8.9 +/-    0.73      12.9 +/-    0.73  0.270 / 0.390
G26     90.3           54.2                8.0 +/-    0.87       9.6 +/-    0.87  0.270 / 0.420
G31     47.1           28.3                5.2 +/-    0.58       9.4 +/-    0.58  0.030 / 0.040