PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/25-20:27:50
G10     300.6          53.6               10.5 +/-    0.67      12.7 +/-    0.67  0.080 / 0.100
G14     210.5          9.9                -8.0 +/-   19.55     -22.3 +/-   19.55  0.060 / 0.070
G15     46.0           27.1                7.9 +/-    1.99      14.8 +/-    1.99  0.040 / 0.050
G20     358.0          65.1               10.6 +/-    0.88      11.5 +/-    0.88  0.040 / 0.050
G21     97.2           74.2               11.4 +/-    0.95      11.8 +/-    0.95  0.270 / 0.950
G24     98.5           27.0               12.2 +/-    0.92      22.8 +/-    0.92  0.080 / 0.130
G27     300.0          34.7               10.6 +/-    0.95      16.9 +/-    0.95  0.080 / 0.140
G32     210.3          33.4               12.3 +/-    1.93      20.1 +/-    1.93  0.060 / 0.100