PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-04:13:10
G08     291.5          22.4                8.7 +/-    0.74      18.0 +/-    0.74  0.130 / 0.150
G10     19.0           62.6                7.7 +/-    0.45       8.6 +/-    0.45  0.110 / 0.100
G14     232.8          49.7                8.6 +/-    2.30      10.8 +/-    2.30  0.040 / 0.020
G18     317.8          14.0                6.1 +/-    1.56      15.5 +/-    1.56  0.040 / 0.020
G20     70.5           50.3                6.6 +/-    0.91       8.3 +/-    0.91  0.050 / 0.080
G21     148.6          37.0                7.6 +/-    0.89      11.7 +/-    0.89  0.050 / 0.090
G24     52.9           23.8                5.7 +/-    2.43      11.5 +/-    2.43  0.080 / 0.070
G27     251.3          30.1               10.0 +/-    2.02      17.4 +/-    2.02  0.070 / 0.100
G32     251.3          68.7                5.9 +/-    0.52       6.3 +/-    0.52  0.100 / 0.220