PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/10-09:12:50
G10     243.8          20.2                5.1 +/-    3.64      11.2 +/-    3.64  0.060 / 0.040
G13     62.8           34.4                4.6 +/-    1.12       7.4 +/-    1.12  0.060 / 0.050
G15     101.3          56.8                5.3 +/-    1.08       6.2 +/-    1.08  0.130 / 0.340
G16     304.7          14.7                1.1 +/-    1.41       2.8 +/-    1.41  0.080 / 0.380
G20     28.8           62.5                3.1 +/-    0.69       3.4 +/-    0.69  0.040 / 0.040
G21     325.6          55.4                3.8 +/-    0.44       4.5 +/-    0.44  0.040 / 0.040
G26     275.7          18.5                4.2 +/-    1.59       9.6 +/-    1.59  0.220 / 0.400
G29     161.5          58.6                5.8 +/-    0.49       6.7 +/-    0.49  0.170 / 0.210