PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/18-06:42:40
G08     319.4          11.8                3.3 +/-    4.96       9.0 +/-    4.96  0.230 / 0.250
G10     312.6          56.1                3.5 +/-    1.51       4.1 +/-    1.51  0.220 / 0.220
G14     214.0          16.4                8.9 +/-    2.07      21.3 +/-    2.07  0.030 / 0.040
G15     45.6           19.6                4.2 +/-    1.72       9.2 +/-    1.72  0.040 / 0.040
G20     50.3           52.0                5.2 +/-    0.93       6.4 +/-    0.93  0.060 / 0.070
G21     120.0          67.2                8.1 +/-    0.47       8.7 +/-    0.47  0.050 / 0.060
G24     86.1           29.3                7.8 +/-    0.85      13.9 +/-    0.85  0.290 / 0.310
G27     288.3          37.4                6.9 +/-    0.95      10.4 +/-    0.95  0.180 / 0.290
G32     215.4          43.6                9.3 +/-    1.19      12.8 +/-    1.19  0.090 / 0.090