PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/08-02:13:00
G08     320.2          11.2               -0.6 +/-   31.33      -1.5 +/-   31.33  0.070 / 0.060
G10     313.0          56.7                9.1 +/-    2.11      10.7 +/-    2.11  0.060 / 0.070
G14     212.5          19.3               14.3 +/-    2.43      32.1 +/-    2.43  0.060 / 0.050
G15     45.6           19.7                9.2 +/-    2.32      20.4 +/-    2.32  0.050 / 0.060
G20     12.4           64.1               11.2 +/-    0.76      12.3 +/-    0.76  0.030 / 0.040
G21     117.6          68.2               13.4 +/-    0.55      14.3 +/-    0.55  0.030 / 0.030
G24     88.3           29.2               12.3 +/-    1.98      21.9 +/-    1.98  0.180 / 0.620
G27     291.3          36.9               13.0 +/-    1.76      20.0 +/-    1.76  0.340 / 0.480
G32     214.6          39.0               14.3 +/-    1.18      21.2 +/-    1.18  0.260 / 0.340