PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-06:12:40
G08     269.7          18.6                7.2 +/-    0.88      16.5 +/-    0.88  0.150 / 0.240
G10     61.0           57.6                4.7 +/-    0.67       5.4 +/-    0.67  0.140 / 0.230
G14     264.1          66.0                5.9 +/-    1.03       6.4 +/-    1.03  0.030 / 0.040
G18     312.7          32.2                4.0 +/-    2.36       6.7 +/-    2.36  0.030 / 0.040
G20     94.5           37.3                5.2 +/-    0.41       7.9 +/-    0.41  0.050 / 0.070
G24     40.1           10.4                3.7 +/-    3.50      10.2 +/-    3.50  0.040 / 0.060
G27     233.4          17.1                5.6 +/-    2.04      13.2 +/-    2.04  0.090 / 0.200
G31     177.9          29.8                6.2 +/-    1.63      10.8 +/-    1.63  0.080 / 0.230
G32     323.4          74.9                6.0 +/-    1.18       6.2 +/-    1.18  0.060 / 0.120