PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/12-17:42:30
G10     250.0          28.0                9.4 +/-    1.55      17.1 +/-    1.55  0.160 / 0.510
G13     53.6           29.0                9.3 +/-    1.63      16.7 +/-    1.63  0.150 / 0.470
G15     86.0           57.1                9.8 +/-    0.99      11.4 +/-    0.99  0.040 / 0.050
G16     295.7          16.0                8.8 +/-    1.75      21.4 +/-    1.75  0.040 / 0.040
G20     270.7          51.9               10.9 +/-    2.96      13.4 +/-    2.96  0.140 / 0.120
G21     332.9          59.1                9.9 +/-    0.69      11.3 +/-    0.69  0.110 / 0.170
G26     268.8          15.8                9.7 +/-    1.93      23.7 +/-    1.93  0.030 / 0.040
G29     163.6          51.9               10.9 +/-    0.82      13.4 +/-    0.82  0.030 / 0.040