PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/16-05:58:10
G10     278.9          44.3                4.1 +/-    1.19       5.5 +/-    1.19  0.080 / 0.090
G13     38.3           10.3                4.6 +/-    2.73      12.6 +/-    2.73  0.070 / 0.100
G15     50.8           40.2                5.4 +/-    0.79       7.9 +/-    0.79  0.060 / 0.060
G20     14.2           64.2                2.7 +/-    0.99       3.0 +/-    0.99  0.070 / 0.080
G21     36.1           76.8                5.6 +/-    0.71       5.7 +/-    0.71  0.080 / 0.150
G24     111.0          20.1                6.8 +/-    0.69      14.9 +/-    0.69  0.090 / 0.130
G27     312.4          26.8                4.5 +/-    1.49       8.4 +/-    1.49  0.050 / 0.040
G29     168.9          20.9                7.5 +/-    1.47      16.2 +/-    1.47  0.050 / 0.050
G32     205.8          20.4                6.1 +/-    2.74      13.3 +/-    2.74  0.160 / 0.640