PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/24-20:27:30
G10     263.6          36.4                7.6 +/-   16.46      11.7 +/-   16.46  0.130 / 0.390
G13     43.4           20.5                6.2 +/-   19.59      13.5 +/-   19.59  0.170 / 0.270
G15     67.9           55.4                7.2 +/-    7.46       8.5 +/-    7.46  0.130 / 0.370
G16     281.6          13.2                5.9 +/-   22.40      15.3 +/-   22.40  0.140 / 0.350
G20     291.4          58.8                7.6 +/-    6.56       8.7 +/-    6.56  0.130 / 0.380
G21     356.1          69.8                9.4 +/-    2.65      10.0 +/-    2.65  0.120 / 0.430
G24     120.6          12.6               11.2 +/-    3.89      29.4 +/-    3.89  0.040 / 0.040
G27     320.5          15.3                5.1 +/-   12.23      12.5 +/-   12.23  0.040 / 0.060
G29     167.6          35.1               11.1 +/-    2.33      17.6 +/-    2.33  0.080 / 0.100