PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/17-00:42:50
G01     232.8          25.3                8.8 +/-    2.29      17.1 +/-    2.29  0.040 / 0.040
G03     308.7          57.6                5.9 +/-    1.46       6.8 +/-    1.46  0.040 / 0.040
G14     73.3           34.4                4.7 +/-    1.05       7.6 +/-    1.05  0.060 / 0.110
G16     152.7          33.8                8.6 +/-    1.69      14.0 +/-    1.69  0.060 / 0.120
G22     265.3          74.3                7.0 +/-    0.41       7.3 +/-    0.41  0.170 / 0.170
G23     299.0          30.1                7.0 +/-    0.99      12.3 +/-    0.99  0.100 / 0.180
G26     116.8          49.6                6.5 +/-    0.74       8.2 +/-    0.74  0.040 / 0.050
G31     42.4           41.6                2.9 +/-    0.73       4.1 +/-    0.73  0.040 / 0.040
G32     90.3           12.3                4.4 +/-    2.10      11.6 +/-    2.10  0.050 / 0.050