PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/26-04:57:50
G10     268.5          38.9                8.5 +/-    1.25      12.6 +/-    1.25  0.350 / 0.500
G13     41.3           17.4                5.5 +/-    1.85      13.0 +/-    1.85  0.180 / 0.370
G15     57.9           47.9                6.1 +/-    0.89       7.9 +/-    0.89  0.040 / 0.040
G16     276.8          11.6                6.2 +/-    6.22      16.7 +/-    6.22  0.040 / 0.030
G20     336.3          68.0                5.5 +/-    0.55       5.8 +/-    0.55  0.110 / 0.240
G21     4.7            72.5                6.4 +/-    0.95       6.7 +/-    0.95  0.260 / 0.210
G24     118.8          15.0                6.0 +/-    1.62      14.9 +/-    1.62  0.110 / 0.250
G27     317.8          20.2                5.6 +/-    1.95      12.3 +/-    1.95  0.160 / 0.240
G29     168.4          30.3                7.5 +/-    1.14      13.1 +/-    1.14  0.120 / 0.200
G32     204.1          12.0                0.6 +/-   29.68       1.5 +/-   29.68  0.150 / 0.300