PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/08-20:57:30
G08     294.1          22.5               11.8 +/-    2.24      24.4 +/-    2.24  0.070 / 0.090
G10     13.8           62.6               11.6 +/-    0.86      12.9 +/-    0.86  0.080 / 0.130
G14     229.6          44.0               12.7 +/-    2.41      17.3 +/-    2.41  0.080 / 0.110
G20     68.6           50.3               11.1 +/-    1.54      13.9 +/-    1.54  0.130 / 0.110
G21     147.4          40.1               12.2 +/-    1.20      17.7 +/-    1.20  0.090 / 0.130
G24     56.5           26.1               10.7 +/-    1.59      20.4 +/-    1.59  0.080 / 0.130
G27     253.4          31.7               10.1 +/-    1.90      17.1 +/-    1.90  0.050 / 0.100
G32     247.9          69.6               10.6 +/-    0.82      11.2 +/-    0.82  0.070 / 0.100