PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/19-21:12:40
G08     319.4          12.0                7.7 +/-    2.27      20.5 +/-    2.27  0.050 / 0.100
G10     315.8          57.4               11.5 +/-    0.74      13.4 +/-    0.74  0.050 / 0.070
G14     213.2          18.5               13.5 +/-    2.50      30.9 +/-    2.50  0.030 / 0.050
G15     45.7           19.3                7.2 +/-    0.91      16.1 +/-    0.91  0.040 / 0.050
G20     18.7           63.3                9.2 +/-    0.56      10.2 +/-    0.56  0.150 / 0.680
G21     119.9          67.5               11.9 +/-    0.69      12.7 +/-    0.69  0.150 / 0.640
G24     87.9           29.8                9.8 +/-    0.87      17.2 +/-    0.87  0.140 / 0.380
G27     289.1          37.5                9.9 +/-    1.27      15.0 +/-    1.27  0.190 / 0.310
G32     214.9          42.4               13.4 +/-    1.68      18.8 +/-    1.68  0.060 / 0.150