PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/10-03:57:50
G10     241.5          19.7               11.8 +/-    3.05      26.2 +/-    3.05  0.150 / 0.230
G13     64.9           34.0                6.8 +/-    0.86      11.1 +/-    0.86  0.170 / 0.360
G15     107.3          56.3                8.8 +/-    0.60      10.3 +/-    0.60  0.050 / 0.040
G16     309.6          13.2                6.6 +/-    2.25      17.1 +/-    2.25  0.040 / 0.050
G20     256.4          43.2               10.4 +/-    1.93      14.4 +/-    1.93  0.050 / 0.110
G21     322.7          53.1                8.6 +/-    0.82      10.5 +/-    0.82  0.080 / 0.120
G26     281.4          18.5                7.7 +/-    1.58      17.5 +/-    1.58  0.030 / 0.040
G29     156.9          59.5               10.1 +/-    0.24      11.5 +/-    0.24  0.030 / 0.030