PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/22-05:13:10
G10     268.3          38.8                7.2 +/-    1.15      10.6 +/-    1.15  0.330 / 0.390
G13     41.4           17.5                4.6 +/-    2.20      10.7 +/-    2.20  0.260 / 0.460
G15     58.0           48.0                5.8 +/-    0.64       7.6 +/-    0.64  0.090 / 0.160
G16     277.1          11.7                7.1 +/-    3.67      19.1 +/-    3.67  0.130 / 0.240
G20     342.6          68.2                4.9 +/-    0.37       5.2 +/-    0.37  0.040 / 0.040
G21     4.5            72.4                5.7 +/-    0.67       5.9 +/-    0.67  0.040 / 0.040
G24     119.0          14.9                5.7 +/-    2.71      14.1 +/-    2.71  0.150 / 0.210
G27     317.9          20.1                4.5 +/-    1.58       9.9 +/-    1.58  0.120 / 0.210
G29     168.4          30.4                7.0 +/-    0.96      12.2 +/-    0.96  0.220 / 0.260
G32     204.1          11.8               -5.7 +/-   28.20     -15.2 +/-   28.20  0.100 / 0.230