PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-04:12:30
G08     321.3          10.3              -18.0 +/-   19.13     -50.0 +/-   19.13  0.030 / 0.040
G10     307.6          55.3                6.8 +/-    0.87       8.0 +/-    0.87  0.030 / 0.040
G14     211.4          16.9               11.6 +/-    5.33      27.6 +/-    5.33  0.070 / 0.080
G15     45.5           22.0                3.8 +/-    0.80       8.0 +/-    0.80  0.070 / 0.090
G20     5.9            64.6                7.6 +/-    0.47       8.4 +/-    0.47  0.040 / 0.040
G21     111.7          70.1                9.3 +/-    0.91       9.8 +/-    0.91  0.030 / 0.060
G24     91.3           28.3                5.4 +/-    0.76       9.8 +/-    0.76  0.080 / 0.230
G27     295.3          35.9                8.5 +/-    1.04      13.3 +/-    1.04  0.080 / 0.240
G32     213.3          34.8               13.2 +/-    1.60      21.1 +/-    1.60  0.090 / 0.150