PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/16-22:27:50
G08     315.5          15.8                6.4 +/-    4.18      15.5 +/-    4.18  0.060 / 0.090
G10     316.7          57.2                8.4 +/-    0.60       9.8 +/-    0.60  0.060 / 0.080
G14     214.1          22.0               11.2 +/-    2.29      23.5 +/-    2.29  0.040 / 0.060
G15     45.9           22.7                6.4 +/-    0.67      13.1 +/-    0.67  0.030 / 0.040
G20     20.1           63.4                7.1 +/-    0.46       7.9 +/-    0.46  0.100 / 0.290
G21     123.5          65.1                8.7 +/-    0.55       9.5 +/-    0.55  0.100 / 0.340
G24     81.3           28.9                8.4 +/-    0.71      15.1 +/-    0.71  0.170 / 0.470
G27     287.3          37.1                8.9 +/-    1.11      13.6 +/-    1.11  0.160 / 0.320
G32     216.6          45.0               11.8 +/-    1.09      16.0 +/-    1.09  0.060 / 0.130