PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/18-17:12:40
G08     316.0          15.3                6.2 +/-    2.52      15.3 +/-    2.52  0.050 / 0.090
G10     320.7          58.4                8.3 +/-    1.05       9.6 +/-    1.05  0.050 / 0.090
G14     214.4          18.6               12.0 +/-    1.03      27.3 +/-    1.03  0.180 / 0.590
G15     45.8           14.4                5.9 +/-    0.76      14.8 +/-    0.76  0.140 / 0.530
G20     27.5           61.8                8.1 +/-    0.60       9.0 +/-    0.60  0.040 / 0.040
G21     124.5          64.2                9.5 +/-    0.51      10.4 +/-    0.51  0.030 / 0.040
G24     85.1           30.3                8.2 +/-    0.37      14.2 +/-    0.37  0.040 / 0.050
G27     285.5          38.1                9.3 +/-    1.61      13.9 +/-    1.61  0.040 / 0.040
G32     216.2          46.0               10.9 +/-    2.21      14.5 +/-    2.21  0.160 / 0.440