PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/08-11:43:00
G08     317.1          13.6                2.8 +/-    2.14       7.2 +/-    2.14  0.080 / 0.060
G10     319.5          57.6                3.0 +/-    0.56       3.5 +/-    0.56  0.090 / 0.060
G14     215.4          22.8                6.5 +/-    2.63      13.3 +/-    2.63  0.280 / 0.250
G15     45.9           14.7                2.3 +/-    1.62       5.7 +/-    1.62  0.400 / 0.270
G20     79.3           14.9                3.0 +/-    3.58       7.5 +/-    3.58  0.210 / 0.290
G21     127.1          61.5                7.9 +/-    0.37       8.8 +/-    0.37  0.210 / 0.290
G24     82.1           30.1                5.0 +/-    1.61       8.7 +/-    1.61  0.050 / 0.040
G27     282.2          37.9                6.3 +/-    1.38       9.5 +/-    1.38  0.040 / 0.040
G32     218.3          47.0                6.4 +/-    1.18       8.4 +/-    1.18  0.110 / 0.260