PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/16-14:57:50
G05     51.5           12.5                4.1 +/-    4.48      10.8 +/-    4.48  0.220 / 0.120
G10     242.2          21.1                8.1 +/-    1.31      17.4 +/-    1.31  0.070 / 0.150
G13     63.5           33.2                6.3 +/-    1.06      10.4 +/-    1.06  0.040 / 0.050
G15     103.1          56.4                8.7 +/-    0.57      10.3 +/-    0.57  0.040 / 0.060
G16     305.1          15.3                5.5 +/-    1.61      13.7 +/-    1.61  0.100 / 0.350
G20     259.0          46.2                9.5 +/-    3.78      12.5 +/-    3.78  0.130 / 0.370
G21     323.0          53.0                6.2 +/-    0.41       7.6 +/-    0.41  0.030 / 0.030
G26     278.6          18.7                6.8 +/-    1.87      15.5 +/-    1.87  0.030 / 0.030
G29     159.7          63.3                9.1 +/-    0.91      10.0 +/-    0.91  0.080 / 0.110