PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/04-20:13:00
G08     318.6          12.9               12.2 +/-    1.38      32.0 +/-    1.38  0.050 / 0.090
G10     317.0          57.6               15.9 +/-    0.95      18.5 +/-    0.95  0.060 / 0.090
G14     213.5          18.6               19.2 +/-    1.66      43.8 +/-    1.66  0.040 / 0.040
G15     45.7           18.0               12.3 +/-    1.27      28.4 +/-    1.27  0.040 / 0.050
G20     21.0           63.0               14.2 +/-    0.77      15.7 +/-    0.77  0.090 / 0.140
G21     121.1          66.8               16.3 +/-    0.68      17.5 +/-    0.68  0.090 / 0.140
G24     87.4           29.9               15.1 +/-    1.18      26.5 +/-    1.18  0.130 / 0.530
G27     288.2          37.7               13.8 +/-    1.49      20.8 +/-    1.49  0.170 / 0.530
G32     215.2          43.4               19.1 +/-    0.72      26.4 +/-    0.72  0.140 / 0.310