PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-10:12:50
G01     219.1          10.8                4.9 +/-    1.25      13.3 +/-    1.25  0.030 / 0.040
G03     252.5          71.3                5.7 +/-    0.45       6.0 +/-    0.45  0.040 / 0.040
G09     298.8          12.2                2.1 +/-   17.41       5.7 +/-   17.41  0.040 / 0.040
G14     93.9           18.6                3.5 +/-    2.52       8.0 +/-    2.52  0.040 / 0.040
G16     138.8          52.4                7.1 +/-    1.09       8.7 +/-    1.09  0.150 / 0.300
G22     199.1          61.3                7.5 +/-    0.84       8.4 +/-    0.84  0.170 / 0.290
G23     315.8          46.1                5.2 +/-    0.82       6.9 +/-    0.82  0.110 / 0.260
G26     82.0           54.4                6.1 +/-    1.06       7.4 +/-    1.06  0.090 / 0.240
G31     49.4           23.9                3.5 +/-    3.02       7.0 +/-    3.02  0.070 / 0.070