PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/01-01:57:40
G08     309.8          19.1                8.6 +/-    1.61      19.3 +/-    1.61  0.070 / 0.080
G10     330.7          59.8                7.4 +/-    0.50       8.4 +/-    0.50  0.080 / 0.080
G14     217.8          28.3               12.9 +/-    2.01      23.3 +/-    2.01  0.140 / 0.190
G15     46.7           13.7                4.8 +/-    2.59      12.2 +/-    2.59  0.090 / 0.200
G20     339.9          63.1               10.1 +/-    1.08      11.1 +/-    1.08  0.030 / 0.040
G21     133.5          58.9               10.3 +/-    0.91      11.8 +/-    0.91  0.040 / 0.040
G24     73.4           29.4                7.1 +/-    0.46      12.6 +/-    0.46  0.070 / 0.080
G27     276.1          37.5               11.4 +/-    0.71      17.3 +/-    0.71  0.070 / 0.090
G32     222.5          53.5               10.8 +/-    1.69      13.1 +/-    1.69  0.040 / 0.040