PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-19:27:40
G01     40.8           15.8               11.9 +/-    1.46      29.0 +/-    1.46  0.130 / 0.340
G06     173.6          41.1               17.4 +/-    1.20      24.9 +/-    1.20  0.120 / 0.300
G13     237.0          21.5               17.8 +/-    1.33      37.8 +/-    1.33  0.130 / 0.290
G15     271.3          11.8               16.0 +/-    2.07      42.9 +/-    2.07  0.120 / 0.270
G17     357.4          71.0               14.5 +/-    0.68      15.2 +/-    0.68  0.030 / 0.040
G19     275.8          67.8               14.5 +/-    0.68      15.5 +/-    0.68  0.040 / 0.040
G24     316.1          20.4               13.4 +/-    2.28      29.2 +/-    2.28  0.060 / 0.160
G28     72.8           46.4               13.3 +/-    1.04      17.5 +/-    1.04  0.060 / 0.150
G30     154.8          26.6               17.4 +/-    1.38      32.9 +/-    1.38  0.040 / 0.080