PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/08-06:12:30
G08     321.4          10.3              -18.7 +/-   15.41     -51.8 +/-   15.41  0.080 / 0.080
G10     305.4          54.7                3.0 +/-    1.26       3.6 +/-    1.26  0.130 / 0.100
G14     211.0          16.1                5.0 +/-    1.86      12.0 +/-    1.86  0.040 / 0.040
G15     45.5           23.0                2.3 +/-    0.53       4.7 +/-    0.53  0.060 / 0.040
G20     3.4            64.8                3.4 +/-    0.74       3.7 +/-    0.74  0.030 / 0.040
G21     109.7          70.1                3.0 +/-    0.48       3.2 +/-    0.48  0.030 / 0.030
G24     92.1           27.9                5.6 +/-    1.61      10.3 +/-    1.61  0.160 / 0.280
G27     297.1          35.2                4.3 +/-    1.08       6.8 +/-    1.08  0.090 / 0.230
G32     212.9          32.3                3.5 +/-    1.19       5.9 +/-    1.19  0.080 / 0.110