PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/16-18:57:30
G10     297.9          52.8               10.0 +/-    1.46      12.2 +/-    1.46  0.060 / 0.090
G15     46.1           27.6                7.4 +/-    1.52      13.6 +/-    1.52  0.050 / 0.090
G20     355.1          65.2                9.3 +/-    1.61      10.2 +/-    1.61  0.070 / 0.160
G21     91.5           74.9               11.8 +/-    0.76      12.2 +/-    0.76  0.070 / 0.130
G24     100.6          26.3               11.6 +/-    0.51      22.1 +/-    0.51  0.050 / 0.060
G27     301.9          34.0               11.7 +/-    1.60      19.0 +/-    1.60  0.040 / 0.050
G32     209.4          32.0               10.3 +/-    1.06      17.3 +/-    1.06  0.040 / 0.040