PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/01-01:43:10
G08     314.8          16.1                6.4 +/-    3.26      15.5 +/-    3.26  0.060 / 0.080
G10     319.1          57.7                9.8 +/-    0.86      11.4 +/-    0.86  0.080 / 0.080
G14     214.9          22.4               14.7 +/-    2.28      30.6 +/-    2.28  0.090 / 0.240
G15     45.9           19.0                4.9 +/-    0.65      11.0 +/-    0.65  0.090 / 0.240
G20     327.3          60.8                8.2 +/-    0.41       9.2 +/-    0.41  0.050 / 0.040
G21     125.5          64.8                9.9 +/-    0.62      10.8 +/-    0.62  0.040 / 0.040
G24     80.7           29.4                7.5 +/-    1.09      13.4 +/-    1.09  0.070 / 0.130
G27     284.4          37.6               10.0 +/-    1.28      15.1 +/-    1.28  0.060 / 0.130
G32     217.6          47.2               13.3 +/-    1.17      17.3 +/-    1.17  0.040 / 0.060