PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/22-04:12:50
G10     243.4          20.1                9.5 +/-    1.68      20.8 +/-    1.68  0.050 / 0.070
G13     63.0           34.2                6.0 +/-    0.66       9.6 +/-    0.66  0.050 / 0.060
G15     105.3          57.2                8.3 +/-    0.42       9.7 +/-    0.42  0.130 / 0.580
G16     303.7          15.3                5.5 +/-    2.60      13.5 +/-    2.60  0.120 / 0.470
G20     272.5          61.3                7.7 +/-    1.03       8.6 +/-    1.03  0.070 / 0.150
G21     323.0          53.6                8.8 +/-    2.04      10.6 +/-    2.04  0.060 / 0.140
G26     275.2          18.8                8.8 +/-    1.08      19.9 +/-    1.08  0.060 / 0.120
G29     162.2          60.9                8.9 +/-    1.20      10.1 +/-    1.20  0.070 / 0.150