PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/17-16:43:10
G08     275.9          21.8                7.0 +/-    1.47      14.8 +/-    1.47  0.080 / 0.130
G10     45.7           60.0                7.9 +/-    0.89       9.0 +/-    0.89  0.120 / 0.120
G14     245.1          55.8                8.8 +/-    2.41      10.4 +/-    2.41  0.050 / 0.060
G20     87.8           39.6                7.6 +/-    1.10      11.1 +/-    1.10  0.050 / 0.070
G21     152.8          23.8                8.9 +/-    4.54      17.8 +/-    4.54  0.110 / 0.210
G24     45.1           17.5                5.7 +/-    2.79      13.3 +/-    2.79  0.110 / 0.210
G27     239.0          22.8                9.4 +/-    1.10      19.4 +/-    1.10  0.280 / 0.370
G31     180.7          19.9                9.0 +/-    2.04      19.9 +/-    2.04  0.260 / 0.280
G32     305.8          77.2                7.8 +/-    0.50       8.0 +/-    0.50  0.030 / 0.040