PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/18-00:12:30
G08     304.8          19.7                8.9 +/-    1.64      19.7 +/-    1.64  0.080 / 0.150
G10     355.6          62.4                6.6 +/-    0.48       7.3 +/-    0.48  0.090 / 0.140
G14     223.5          38.4               12.2 +/-    1.62      18.3 +/-    1.62  0.080 / 0.100
G20     55.0           55.7                9.0 +/-    0.57      10.6 +/-    0.57  0.070 / 0.110
G21     142.7          48.5               10.7 +/-    1.17      13.8 +/-    1.17  0.030 / 0.030
G24     64.0           28.7                8.5 +/-    0.99      15.3 +/-    0.99  0.030 / 0.030
G27     263.0          35.2               10.2 +/-    1.06      16.2 +/-    1.06  0.040 / 0.070
G32     233.1          61.3               11.7 +/-    0.69      13.1 +/-    0.69  0.040 / 0.060