PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-10:12:20
G10     244.7          21.0                3.9 +/-    4.04       8.5 +/-    4.04  0.150 / 0.340
G13     61.5           34.0                5.5 +/-    1.25       8.9 +/-    1.25  0.110 / 0.350
G15     98.6           56.9                7.5 +/-    0.62       8.8 +/-    0.62  0.040 / 0.040
G16     304.0          14.6                0.8 +/-    1.11       2.1 +/-    1.11  0.030 / 0.050
G20     31.0           60.7                5.3 +/-    0.63       6.0 +/-    0.63  0.030 / 0.040
G21     327.5          56.7                4.1 +/-    0.45       4.8 +/-    0.45  0.050 / 0.040
G26     274.8          18.1                5.0 +/-    1.93      11.4 +/-    1.93  0.080 / 0.100
G29     161.7          56.7                7.7 +/-    0.43       9.0 +/-    0.43  0.090 / 0.100