PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/16-17:28:00
G10     250.5          28.5               11.7 +/-    1.83      21.2 +/-    1.83  0.140 / 0.480
G13     53.0           28.7                8.3 +/-    1.06      15.0 +/-    1.06  0.170 / 0.500
G15     84.4           56.9               10.3 +/-    0.72      12.1 +/-    0.72  0.040 / 0.040
G16     295.1          16.0                9.9 +/-    3.13      24.1 +/-    3.13  0.040 / 0.040
G20     271.7          52.4               12.6 +/-    2.37      15.4 +/-    2.37  0.040 / 0.060
G21     333.8          59.6                9.8 +/-    0.37      11.2 +/-    0.37  0.040 / 0.040
G26     268.2          15.5                9.7 +/-    3.46      23.9 +/-    3.46  0.100 / 0.160
G29     163.8          51.2               12.8 +/-    0.68      15.9 +/-    0.68  0.090 / 0.140