PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/07-19:57:40
G08     319.3          12.3               11.8 +/-    5.95      31.3 +/-    5.95  0.040 / 0.040
G10     314.9          57.2                9.9 +/-    1.62      11.6 +/-    1.62  0.030 / 0.050
G14     213.1          17.3               14.2 +/-    2.79      33.2 +/-    2.79  0.130 / 0.280
G15     45.6           18.9               10.7 +/-    2.04      24.1 +/-    2.04  0.110 / 0.340
G20     18.5           63.3               10.4 +/-    1.10      11.5 +/-    1.10  0.180 / 0.390
G21     118.9          67.8               12.5 +/-    0.56      13.4 +/-    0.56  0.240 / 0.270
G24     88.8           29.7               12.3 +/-    1.74      21.6 +/-    1.74  0.210 / 0.270
G27     289.7          37.5                8.4 +/-    2.62      12.8 +/-    2.62  0.120 / 0.230
G32     214.5          42.2               14.0 +/-    1.18      19.7 +/-    1.18  0.050 / 0.090