PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/19-01:58:10
G10     291.9          49.9               10.8 +/-    0.73      13.6 +/-    0.73  0.060 / 0.110
G15     47.3           33.8                7.6 +/-    0.77      12.3 +/-    0.77  0.060 / 0.090
G20     309.2          58.1                8.9 +/-    0.87      10.3 +/-    0.87  0.040 / 0.050
G21     79.3           76.7               10.4 +/-    1.06      10.7 +/-    1.06  0.040 / 0.040
G24     100.3          24.9                9.9 +/-    0.98      19.4 +/-    0.98  0.060 / 0.130
G27     304.4          32.4               10.0 +/-    1.61      16.7 +/-    1.61  0.060 / 0.110
G29     168.8          11.9               11.0 +/-    3.05      29.4 +/-    3.05  0.040 / 0.050
G32     208.7          30.0               12.2 +/-    2.07      21.4 +/-    2.07  0.040 / 0.040