PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/02-10:57:40
G08     295.2          21.0                5.3 +/-    0.95      11.4 +/-    0.95  0.080 / 0.100
G10     12.6           63.1                4.4 +/-    0.70       4.8 +/-    0.70  0.090 / 0.080
G14     232.0          45.7                8.1 +/-    1.44      10.9 +/-    1.44  0.090 / 0.450
G18     317.7          11.1               -7.3 +/-   14.75     -20.0 +/-   14.75  0.080 / 0.670
G20     93.8           10.6                4.5 +/-    2.03      12.5 +/-    2.03  0.100 / 0.090
G21     147.6          37.0                7.3 +/-    1.24      11.2 +/-    1.24  0.110 / 0.110
G24     53.9           24.6                4.0 +/-    0.76       7.9 +/-    0.76  0.040 / 0.090
G27     250.8          30.1                6.5 +/-    1.70      11.3 +/-    1.70  0.040 / 0.090
G31     182.4          9.9                -7.9 +/-    6.24     -22.1 +/-    6.24  0.040 / 0.030
G32     254.1          71.2                7.6 +/-    0.44       7.9 +/-    0.44  0.040 / 0.030