PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/05-09:58:00
G01     128.3          10.5              -13.4 +/-   27.00     -37.1 +/-   27.00  0.040 / 0.200
G07     48.4           69.6               -8.2 +/-   32.55      -8.7 +/-   32.55  0.030 / 0.030
G08     50.2           38.2               -2.9 +/-   29.48      -4.4 +/-   29.48  0.190 / 0.350
G09     175.9          35.0               -0.8 +/-   29.82      -1.3 +/-   29.82  0.170 / 0.330
G11     118.0          34.6               -1.1 +/-   33.57      -1.7 +/-   33.57  0.130 / 0.410
G13     321.4          10.6               -6.0 +/-   12.39     -16.6 +/-   12.39  0.110 / 0.340
G17     198.8          15.3               -0.4 +/-   32.17      -1.1 +/-   32.17  0.040 / 0.180
G18     104.4          15.8               -0.2 +/-   29.49      -0.6 +/-   29.49  0.030 / 0.020
G28     273.2          51.8               -6.1 +/-   32.57      -7.5 +/-   32.57  0.140 / 0.370
G30     328.5          57.4               -7.2 +/-   31.48      -8.4 +/-   31.48  0.150 / 0.270