PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/02-21:13:10
G10     245.6          22.6               13.8 +/-    2.50      28.6 +/-    2.50  0.130 / 0.410
G13     59.4           32.7                8.5 +/-    0.83      14.2 +/-    0.83  0.150 / 0.450
G15     107.0          58.8               10.9 +/-    0.64      12.5 +/-    0.64  0.030 / 0.030
G16     299.9          16.2                9.1 +/-    1.38      22.0 +/-    1.38  0.040 / 0.030
G20     247.8          8.1                11.6 +/-    4.27      33.7 +/-    4.27  0.030 / 0.050
G21     325.3          55.1                9.7 +/-    0.91      11.5 +/-    0.91  0.040 / 0.050
G26     272.0          18.0               11.6 +/-    0.89      26.8 +/-    0.89  0.090 / 0.110
G29     163.4          58.3               11.5 +/-    0.63      13.3 +/-    0.63  0.080 / 0.110