PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/06-18:43:00
G08     267.6          19.4                9.5 +/-    1.46      21.2 +/-    1.46  0.020 / 0.040
G10     57.2           58.8                8.4 +/-    0.51       9.6 +/-    0.51  0.030 / 0.040
G11     312.4          16.6                7.7 +/-    3.87      18.3 +/-    3.87  0.180 / 0.360
G14     261.7          65.3                9.0 +/-    0.73       9.8 +/-    0.73  0.160 / 0.430
G20     92.9           38.2                9.0 +/-    0.54      13.6 +/-    0.54  0.150 / 0.390
G21     153.6          15.3               10.9 +/-    2.82      26.9 +/-    2.82  0.150 / 0.280
G27     235.9          18.2               10.2 +/-    1.79      23.4 +/-    1.79  0.040 / 0.050
G31     181.0          25.2               11.6 +/-    2.02      22.5 +/-    2.02  0.040 / 0.060
G32     326.6          75.3                9.6 +/-    0.70       9.9 +/-    0.70  0.090 / 0.200