PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/03-05:12:50
G10     295.5          51.1                7.7 +/-    1.15       9.5 +/-    1.15  0.040 / 0.040
G15     46.4           29.8                3.6 +/-    1.23       6.3 +/-    1.23  0.040 / 0.040
G20     16.6           63.5                7.3 +/-    0.33       8.0 +/-    0.33  0.060 / 0.090
G21     90.8           75.3                7.7 +/-    0.52       7.9 +/-    0.52  0.060 / 0.090
G24     98.3           26.0                5.8 +/-    0.33      11.0 +/-    0.33  0.090 / 0.140
G27     301.4          33.9                7.7 +/-    2.22      12.6 +/-    2.22  0.080 / 0.150
G32     209.8          32.6                9.3 +/-    0.80      15.4 +/-    0.80  0.050 / 0.110