PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-21:27:50
G10     299.5          53.2               11.2 +/-    0.56      13.6 +/-    0.56  0.050 / 0.100
G14     210.3          9.8                -9.4 +/-    7.38     -26.3 +/-    7.38  0.080 / 0.110
G15     46.2           28.9                6.2 +/-    1.08      11.1 +/-    1.08  0.550 / 0.780
G20     355.4          65.2               10.2 +/-    1.13      11.1 +/-    1.13  0.040 / 0.050
G21     94.8           74.6               11.9 +/-    0.60      12.3 +/-    0.60  0.040 / 0.050
G24     99.0           26.8               12.2 +/-    0.81      23.0 +/-    0.81  0.040 / 0.100
G27     300.8          34.4               10.7 +/-    1.14      17.1 +/-    1.14  0.060 / 0.080
G32     210.1          32.4               11.8 +/-    1.23      19.7 +/-    1.23  0.070 / 0.110