PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/22-06:27:30
G08     318.9          12.3                3.3 +/-    1.70       8.9 +/-    1.70  0.030 / 0.050
G10     313.7          56.4                4.5 +/-    1.10       5.3 +/-    1.10  0.030 / 0.050
G14     214.2          17.1                8.9 +/-    3.73      20.9 +/-    3.73  0.090 / 0.240
G15     45.6           19.2                2.3 +/-    0.93       5.1 +/-    0.93  0.130 / 0.300
G20     48.4           53.4                4.9 +/-    0.44       5.9 +/-    0.44  0.060 / 0.080
G21     121.0          66.8                6.7 +/-    0.37       7.2 +/-    0.37  0.070 / 0.090
G24     85.3           29.4                4.8 +/-    0.48       8.6 +/-    0.48  0.040 / 0.030
G27     287.5          37.4                5.9 +/-    2.12       9.0 +/-    2.12  0.040 / 0.040
G32     215.7          44.2                8.9 +/-    0.39      12.2 +/-    0.39  0.070 / 0.100