PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/25-03:43:00
G08     307.2          19.6                4.9 +/-    1.68      11.0 +/-    1.68  0.080 / 0.080
G10     344.5          61.6                5.0 +/-    0.64       5.6 +/-    0.64  0.070 / 0.070
G14     220.3          35.1                8.6 +/-    0.92      13.7 +/-    0.92  0.030 / 0.030
G20     46.1           58.4                6.8 +/-    0.60       7.8 +/-    0.60  0.030 / 0.020
G21     138.8          52.7                8.0 +/-    0.65       9.7 +/-    0.65  0.040 / 0.060
G24     68.7           29.4                3.8 +/-    0.95       6.8 +/-    0.95  0.040 / 0.050
G27     269.8          36.6                8.7 +/-    2.15      13.4 +/-    2.15  0.080 / 0.170
G32     227.1          54.7                7.5 +/-    2.96       9.0 +/-    2.96  0.100 / 0.140