PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/07-01:27:50
G08     311.6          18.2                7.6 +/-    1.73      17.4 +/-    1.73  0.060 / 0.070
G10     326.1          59.0                8.8 +/-    0.44      10.0 +/-    0.44  0.070 / 0.070
G14     216.6          26.2               12.9 +/-    1.92      24.6 +/-    1.92  0.040 / 0.040
G15     46.3           16.0                6.4 +/-    2.12      15.5 +/-    2.12  0.040 / 0.040
G20     327.9          60.5                9.1 +/-    1.13      10.2 +/-    1.13  0.120 / 0.240
G21     130.7          61.3               11.3 +/-    0.41      12.7 +/-    0.41  0.080 / 0.280
G24     76.1           29.5                9.4 +/-    0.96      16.6 +/-    0.96  0.080 / 0.100
G27     279.4          37.6               10.1 +/-    0.70      15.3 +/-    0.70  0.080 / 0.090
G32     220.4          51.1               13.7 +/-    1.30      17.0 +/-    1.30  0.160 / 0.200