PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-00:58:10
G08     319.6          12.2                8.1 +/-    3.12      21.5 +/-    3.12  0.070 / 0.090
G10     306.7          54.7                9.7 +/-    0.95      11.5 +/-    0.95  0.060 / 0.080
G14     212.2          15.9               16.8 +/-    3.30      40.9 +/-    3.30  0.210 / 0.570
G15     45.8           25.7                8.6 +/-    0.76      16.5 +/-    0.76  0.180 / 0.400
G20     308.4          54.7                9.7 +/-    0.66      11.6 +/-    0.66  0.080 / 0.120
G21     111.6          71.0               12.5 +/-    0.85      13.2 +/-    0.85  0.090 / 0.140
G24     89.2           28.2               10.8 +/-    1.07      19.7 +/-    1.07  0.030 / 0.030
G27     293.8          36.3               11.8 +/-    1.27      18.2 +/-    1.27  0.030 / 0.050
G32     213.1          39.8               14.4 +/-    1.37      21.0 +/-    1.37  0.040 / 0.040