PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/18-00:27:50
G01     270.6          41.2               10.8 +/-    1.35      15.5 +/-    1.35  0.040 / 0.070
G03     315.7          28.4                6.2 +/-    1.16      11.2 +/-    1.16  0.040 / 0.060
G10     129.7          16.3                8.7 +/-    1.11      20.8 +/-    1.11  0.050 / 0.080
G11     249.0          19.8                9.4 +/-    1.46      20.7 +/-    1.46  0.060 / 0.080
G14     43.3           50.1                7.5 +/-    0.52       9.4 +/-    0.52  0.040 / 0.070
G18     231.8          38.6               11.0 +/-    1.28      16.4 +/-    1.28  0.040 / 0.070
G22     314.0          50.8                8.0 +/-    0.92       9.9 +/-    0.92  0.100 / 0.260
G25     49.6           14.8                4.6 +/-    0.87      11.4 +/-    0.87  0.080 / 0.280
G31     56.3           74.4                8.9 +/-    0.68       9.2 +/-    0.68  0.070 / 0.250
G32     64.5           31.9                7.3 +/-    0.60      12.4 +/-    0.60  0.080 / 0.210