PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/05-03:27:50
G08     261.6          15.9                9.9 +/-    1.95      24.1 +/-    1.95  0.190 / 0.440
G10     70.7           56.0                7.4 +/-    1.80       8.7 +/-    1.80  0.120 / 0.480
G11     307.4          20.6                8.5 +/-    2.58      18.4 +/-    2.58  0.050 / 0.050
G14     276.8          67.6                8.1 +/-    0.78       8.6 +/-    0.78  0.040 / 0.070
G18     309.2          36.1                8.4 +/-    1.84      13.0 +/-    1.84  0.030 / 0.040
G20     83.2           57.1               11.8 +/-    1.42      13.8 +/-    1.42  0.030 / 0.040
G21     155.7          11.3                7.2 +/-    3.13      19.6 +/-    3.13  0.100 / 0.260
G27     228.1          12.5                9.4 +/-   14.51      24.8 +/-   14.51  0.130 / 0.320
G31     175.4          37.7               10.7 +/-    1.32      16.2 +/-    1.32  0.230 / 0.500
G32     0.3            70.4                8.5 +/-    0.60       8.9 +/-    0.60  0.160 / 0.480