PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/13-20:12:30
G08     304.9          20.6                8.8 +/-    1.68      19.0 +/-    1.68  0.070 / 0.090
G10     349.7          62.0                9.9 +/-    0.41      11.1 +/-    0.41  0.090 / 0.080
G14     221.5          33.7               11.6 +/-    1.51      18.9 +/-    1.51  0.050 / 0.060
G20     52.4           56.1                9.9 +/-    1.07      11.7 +/-    1.07  0.040 / 0.060
G21     140.4          51.1               12.7 +/-    0.53      15.8 +/-    0.53  0.090 / 0.160
G24     67.9           29.8               10.6 +/-    1.26      18.6 +/-    1.26  0.080 / 0.180
G27     266.3          36.4               12.5 +/-    1.74      19.3 +/-    1.74  0.080 / 0.110
G32     229.4          59.9               11.5 +/-    1.59      13.1 +/-    1.59  0.090 / 0.090