PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/27-21:43:00
G08     315.3          16.0                7.4 +/-    3.17      17.9 +/-    3.17  0.030 / 0.030
G10     316.8          57.2                7.9 +/-    0.71       9.2 +/-    0.71  0.040 / 0.040
G14     214.1          22.2               11.5 +/-    2.19      24.0 +/-    2.19  0.050 / 0.070
G15     45.9           22.1                7.7 +/-    2.30      16.1 +/-    2.30  0.050 / 0.070
G20     20.2           63.4               10.1 +/-    1.03      11.2 +/-    1.03  0.170 / 0.250
G21     123.7          64.8               11.6 +/-    0.63      12.7 +/-    0.63  0.150 / 0.320
G24     81.0           28.8                9.9 +/-    1.06      17.8 +/-    1.06  0.090 / 0.090
G27     287.5          37.0                7.8 +/-    0.73      12.0 +/-    0.73  0.080 / 0.080
G32     216.6          44.8               12.4 +/-    1.16      16.8 +/-    1.16  0.210 / 0.360