PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/16-19:57:40
G08     270.7          20.5                8.3 +/-    2.05      18.1 +/-    2.05  0.150 / 0.290
G10     51.1           60.0                8.2 +/-    0.50       9.3 +/-    0.50  0.150 / 0.230
G14     255.3          63.0                8.6 +/-    0.78       9.5 +/-    0.78  0.040 / 0.040
G18     314.3          29.2                7.2 +/-    1.50      12.9 +/-    1.50  0.050 / 0.050
G20     89.7           40.3                7.9 +/-    1.19      11.5 +/-    1.19  0.230 / 0.350
G21     153.2          19.1                8.4 +/-    2.07      18.9 +/-    2.07  0.130 / 0.250
G24     40.3           10.7                6.7 +/-    5.57      18.3 +/-    5.57  0.250 / 0.410
G27     238.1          20.2                9.6 +/-    1.74      21.0 +/-    1.74  0.160 / 0.290
G31     180.8          23.0               10.6 +/-    0.95      21.8 +/-    0.95  0.100 / 0.090
G32     315.7          76.1                8.2 +/-    0.42       8.4 +/-    0.42  0.080 / 0.120