PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-00:43:10
G10     296.4          51.5               11.5 +/-    1.73      14.2 +/-    1.73  0.060 / 0.080
G15     46.7           31.8                8.1 +/-    0.80      13.7 +/-    0.80  0.060 / 0.100
G20     298.8          51.0                8.4 +/-    1.49      10.5 +/-    1.49  0.070 / 0.130
G21     91.3           75.5               12.3 +/-    0.50      12.7 +/-    0.50  0.070 / 0.110
G24     96.7           26.1               12.7 +/-    0.69      24.3 +/-    0.69  0.050 / 0.040
G27     301.4          33.8               12.0 +/-    1.76      19.6 +/-    1.76  0.050 / 0.040
G32     209.9          33.1               13.8 +/-    1.30      22.7 +/-    1.30  0.040 / 0.040