PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-06:12:50
G08     271.5          19.3                6.7 +/-    1.79      15.0 +/-    1.79  0.210 / 0.300
G10     57.5           58.4                5.2 +/-    0.78       6.0 +/-    0.78  0.100 / 0.190
G14     260.1          64.8                7.2 +/-    1.07       7.9 +/-    1.07  0.030 / 0.030
G18     313.6          30.6                4.5 +/-    1.09       7.8 +/-    1.09  0.030 / 0.040
G20     92.7           38.5                5.9 +/-    1.06       8.8 +/-    1.06  0.130 / 0.190
G21     154.5          18.1                4.8 +/-    2.76      11.1 +/-    2.76  0.110 / 0.260
G24     40.9           11.7                3.3 +/-    1.65       9.0 +/-    1.65  0.040 / 0.060
G27     234.9          18.4                6.4 +/-    5.17      14.6 +/-    5.17  0.050 / 0.050
G31     178.3          27.9                5.5 +/-    2.27      10.0 +/-    2.27  0.070 / 0.130
G32     315.7          75.2                5.9 +/-    0.62       6.1 +/-    0.62  0.090 / 0.100