PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-16:27:40
G10     276.1          44.5               10.7 +/-    1.14      14.5 +/-    1.14  0.140 / 0.180
G13     38.6           11.3                7.0 +/-    6.42      19.1 +/-    6.42  0.160 / 0.130
G15     51.5           40.5                5.8 +/-    0.76       8.4 +/-    0.76  0.090 / 0.140
G20     318.5          64.2               10.1 +/-    1.01      11.1 +/-    1.01  0.100 / 0.150
G21     26.1           75.4                9.7 +/-    1.39      10.0 +/-    1.39  0.060 / 0.040
G24     116.1          18.3               11.2 +/-    1.14      25.8 +/-    1.14  0.050 / 0.040
G27     315.0          24.4                7.3 +/-    1.93      14.4 +/-    1.93  0.490 / 0.590
G29     168.1          24.8               11.2 +/-    2.72      22.1 +/-    2.72  0.130 / 0.370
G32     204.7          16.9               11.7 +/-    2.08      27.8 +/-    2.08  0.110 / 0.050