PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/01-01:27:50
G08     264.4          18.0               10.2 +/-    2.18      23.6 +/-    2.18  0.240 / 0.260
G10     63.1           57.8                8.7 +/-    0.38      10.0 +/-    0.38  0.190 / 0.230
G11     310.2          18.6                7.0 +/-    1.49      15.9 +/-    1.49  0.170 / 0.630
G14     268.0          66.3                9.2 +/-    0.56      10.0 +/-    0.56  0.190 / 0.350
G18     311.8          32.8                6.8 +/-    0.76      11.3 +/-    0.76  0.110 / 0.220
G20     42.6           69.7               30.7 +/-    0.96      32.5 +/-    0.96  0.100 / 0.230
G21     155.2          15.7                9.6 +/-    1.56      23.5 +/-    1.56  0.040 / 0.050
G27     231.4          15.4               12.6 +/-    3.26      30.9 +/-    3.26  0.040 / 0.050
G31     176.4          33.0               12.4 +/-    2.23      20.4 +/-    2.23  0.100 / 0.150
G32     348.9          73.2                8.6 +/-    0.33       8.9 +/-    0.33  0.170 / 0.220