PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/29-18:12:40
G05     51.4           12.4                7.9 +/-    1.99      20.8 +/-    1.99  0.040 / 0.070
G10     241.7          20.4               12.5 +/-    3.86      27.1 +/-    3.86  0.050 / 0.060
G13     64.4           33.6               11.7 +/-    1.16      19.0 +/-    1.16  0.090 / 0.340
G15     108.8          56.6               11.9 +/-    0.88      13.9 +/-    0.88  0.090 / 0.370
G16     306.0          15.1                7.5 +/-    2.34      18.7 +/-    2.34  0.070 / 0.110
G20     257.5          44.5               11.0 +/-    3.63      14.9 +/-    3.63  0.070 / 0.140
G21     321.3          51.8               11.8 +/-    0.62      14.5 +/-    0.62  0.040 / 0.030
G26     279.0          18.9                8.4 +/-    1.01      19.0 +/-    1.01  0.030 / 0.040
G29     159.2          63.7               12.6 +/-    0.30      13.9 +/-    0.30  0.120 / 0.180