PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/01-01:57:50
G08     309.8          19.1                6.6 +/-    0.91      14.9 +/-    0.91  0.040 / 0.060
G10     330.7          59.8                8.0 +/-    0.70       9.1 +/-    0.70  0.060 / 0.070
G14     217.8          28.3               12.6 +/-    3.15      22.9 +/-    3.15  0.040 / 0.040
G15     46.7           13.7                6.7 +/-    3.51      17.3 +/-    3.51  0.040 / 0.040
G20     339.9          63.1                8.4 +/-    0.70       9.3 +/-    0.70  0.120 / 0.180
G21     133.5          58.9               11.0 +/-    0.37      12.6 +/-    0.37  0.230 / 0.180
G24     73.4           29.4                7.9 +/-    0.77      14.0 +/-    0.77  0.120 / 0.230
G27     276.1          37.5                9.8 +/-    2.29      14.9 +/-    2.29  0.090 / 0.180
G32     222.5          53.5               11.3 +/-    1.69      13.7 +/-    1.69  0.100 / 0.080