PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/11-05:58:10
G10     268.3          38.8                5.9 +/-    1.28       8.7 +/-    1.28  0.400 / 0.570
G13     41.5           17.6                4.6 +/-    2.72      10.8 +/-    2.72  0.360 / 0.520
G15     57.8           47.7                6.3 +/-    0.78       8.2 +/-    0.78  0.130 / 0.160
G16     277.2          11.6                4.3 +/-    5.24      11.5 +/-    5.24  0.120 / 0.270
G20     0.9            67.2                4.5 +/-    0.58       4.8 +/-    0.58  0.040 / 0.040
G21     5.0            72.5                5.0 +/-    0.83       5.3 +/-    0.83  0.040 / 0.040
G24     119.2          14.9                6.8 +/-    2.24      16.9 +/-    2.24  0.110 / 0.260
G27     317.9          20.2                3.0 +/-    1.40       6.7 +/-    1.40  0.110 / 0.200
G29     168.3          30.3                6.2 +/-    1.05      10.9 +/-    1.05  0.030 / 0.040
G32     204.1          11.7               -6.2 +/-   29.52     -16.7 +/-   29.52  0.030 / 0.030