PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-15:57:40
G01     109.6          23.3                9.3 +/-    1.09      18.9 +/-    1.09  0.040 / 0.050
G07     105.3          55.6               10.3 +/-    0.56      12.1 +/-    0.56  0.030 / 0.050
G08     42.4           24.1                7.5 +/-    1.17      15.0 +/-    1.17  0.040 / 0.050
G09     176.2          18.1               10.0 +/-    1.84      23.0 +/-    1.84  0.040 / 0.060
G11     92.6           43.1                8.8 +/-    0.56      12.2 +/-    0.56  0.040 / 0.080
G13     311.7          27.4                8.1 +/-    1.62      15.0 +/-    1.62  0.040 / 0.090
G17     204.1          33.1               10.4 +/-    1.16      17.1 +/-    1.16  0.080 / 0.210
G18     82.5           23.4                6.8 +/-    1.00      13.9 +/-    1.00  0.100 / 0.200
G19     207.5          10.8                0.6 +/-   19.17       1.8 +/-   19.17  0.070 / 0.220
G28     301.3          57.7                8.6 +/-    0.78      10.0 +/-    0.78  0.070 / 0.170