PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/12-05:28:00
G08     309.4          18.6                7.8 +/-    1.33      17.9 +/-    1.33  0.050 / 0.080
G10     335.2          60.5                4.3 +/-    0.83       4.9 +/-    0.83  0.050 / 0.080
G14     219.3          28.7                9.9 +/-    2.46      17.8 +/-    2.46  0.040 / 0.050
G20     49.5           56.1                5.8 +/-    0.26       6.8 +/-    0.26  0.040 / 0.050
G21     136.0          56.2                8.8 +/-    0.82      10.3 +/-    0.82  0.100 / 0.280
G24     71.3           29.6                6.1 +/-    0.48      10.7 +/-    0.48  0.090 / 0.190
G27     272.4          37.1                8.2 +/-    1.00      12.6 +/-    1.00  0.030 / 0.040
G32     225.0          55.9               11.0 +/-    1.04      12.9 +/-    1.04  0.040 / 0.040