PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/13-01:12:40
G08     307.7          20.1                8.5 +/-    2.04      18.6 +/-    2.04  0.050 / 0.060
G10     334.4          60.4                8.0 +/-    0.55       9.1 +/-    0.55  0.050 / 0.070
G14     218.7          30.5               13.0 +/-    2.68      22.6 +/-    2.68  0.050 / 0.040
G15     47.0           12.6                7.4 +/-    2.22      19.4 +/-    2.22  0.050 / 0.040
G20     329.2          60.4               23.5 +/-    1.18      26.6 +/-    1.18  0.040 / 0.040
G21     135.4          57.2               10.9 +/-    0.35      12.7 +/-    0.35  0.040 / 0.030
G24     71.1           29.2                9.1 +/-    0.86      16.3 +/-    0.86  0.090 / 0.090
G27     273.7          37.2               10.5 +/-    2.80      16.1 +/-    2.80  0.070 / 0.080
G32     224.2          55.3               11.7 +/-    2.24      13.8 +/-    2.24  0.090 / 0.160