PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/20-05:27:50
G08     268.4          17.9                7.3 +/-    2.63      17.0 +/-    2.63  0.150 / 0.250
G10     64.4           56.8                3.9 +/-    0.80       4.6 +/-    0.80  0.340 / 0.280
G11     311.0          17.7               -7.9 +/-    8.20     -18.4 +/-    8.20  0.040 / 0.040
G14     268.0          66.9                5.4 +/-    1.03       5.8 +/-    1.03  0.030 / 0.030
G18     311.8          33.6                4.2 +/-    1.04       6.8 +/-    1.04  0.200 / 0.470
G20     96.4           36.1                4.6 +/-    0.73       7.1 +/-    0.73  0.280 / 0.540
G21     155.2          14.8                3.4 +/-    2.60       8.6 +/-    2.60  0.050 / 0.050
G27     231.9          15.9                5.9 +/-    2.30      14.3 +/-    2.30  0.040 / 0.040
G31     177.3          31.9                6.3 +/-    1.07      10.6 +/-    1.07  0.150 / 0.210
G32     332.5          74.3                5.6 +/-    0.78       5.8 +/-    0.78  0.130 / 0.200