PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/13-15:42:50
G05     47.5           21.7                6.1 +/-    1.89      12.9 +/-    1.89  0.050 / 0.070
G10     234.5          10.9              -13.1 +/-   25.10     -35.8 +/-   25.10  0.050 / 0.080
G13     78.8           36.1                8.8 +/-    1.60      13.7 +/-    1.60  0.060 / 0.070
G15     132.1          50.1                7.9 +/-    0.47      10.0 +/-    0.47  0.060 / 0.100
G20     245.8          35.0                8.9 +/-    2.14      14.2 +/-    2.14  0.030 / 0.040
G21     312.4          46.7                7.6 +/-    1.38       9.9 +/-    1.38  0.030 / 0.040
G26     291.5          19.9                5.5 +/-    1.40      12.2 +/-    1.40  0.130 / 0.220
G29     151.3          74.7                8.0 +/-    0.52       8.3 +/-    0.52  0.240 / 0.370