PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/17-16:42:50
G05     48.4           19.1                5.7 +/-    0.47      12.7 +/-    0.47  0.070 / 0.160
G10     236.6          15.0               10.2 +/-    2.01      25.5 +/-    2.01  0.060 / 0.140
G13     73.2           35.1                8.0 +/-    0.52      12.7 +/-    0.52  0.040 / 0.070
G15     120.4          53.3                8.9 +/-    0.32      10.8 +/-    0.32  0.050 / 0.090
G16     312.5          13.3                5.6 +/-    2.98      14.4 +/-    2.98  0.110 / 0.370
G20     250.1          39.6               11.0 +/-    1.24      16.1 +/-    1.24  0.130 / 0.410
G21     314.4          47.2                7.1 +/-    0.80       9.3 +/-    0.80  0.030 / 0.030
G26     286.5          20.0                7.0 +/-    1.02      15.3 +/-    1.02  0.030 / 0.030
G29     154.2          72.4               11.5 +/-    1.64      12.0 +/-    1.64  0.190 / 0.240