PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-15:12:40
G08     271.2          18.4                6.9 +/-    1.14      15.7 +/-    1.14  0.050 / 0.090
G10     57.4           59.4                6.2 +/-    0.96       7.1 +/-    0.96  0.050 / 0.110
G11     314.1          14.1                5.1 +/-    2.05      13.1 +/-    2.05  0.090 / 0.250
G14     261.9          64.0                7.6 +/-    0.83       8.3 +/-    0.83  0.090 / 0.210
G21     153.6          14.6                9.8 +/-    2.85      24.6 +/-    2.85  0.040 / 0.060
G24     40.7           11.9                6.3 +/-    1.24      16.8 +/-    1.24  0.040 / 0.050
G27     232.1          16.6                8.4 +/-    1.56      20.1 +/-    1.56  0.220 / 0.360
G31     178.4          29.0                8.8 +/-    1.76      15.7 +/-    1.76  0.190 / 0.400
G32     335.1          74.7                7.2 +/-    0.38       7.4 +/-    0.38  0.020 / 0.030