PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-06:27:50
G08     265.0          16.7                9.0 +/-    2.75      21.4 +/-    2.75  0.160 / 0.370
G10     69.6           55.4                3.8 +/-    0.63       4.5 +/-    0.63  0.170 / 0.380
G11     308.6          19.6                4.9 +/-    1.26      10.8 +/-    1.26  0.170 / 0.270
G14     276.2          68.7                6.2 +/-    0.99       6.6 +/-    0.99  0.300 / 0.460
G18     309.7          36.3                5.6 +/-    1.54       8.7 +/-    1.54  0.030 / 0.040
G20     99.3           33.9                4.7 +/-    0.86       7.6 +/-    0.86  0.030 / 0.040
G21     155.6          11.6                3.3 +/-    1.94       8.8 +/-    1.94  0.040 / 0.050
G27     229.8          13.8                7.5 +/-   14.13      19.2 +/-   14.13  0.040 / 0.060
G31     176.8          34.9                6.7 +/-    0.83      10.7 +/-    0.83  0.140 / 0.300
G32     341.2          73.1                5.8 +/-    0.44       6.0 +/-    0.44  0.130 / 0.350