PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/29-01:57:40
G08     314.3          16.4                8.0 +/-    2.28      19.3 +/-    2.28  0.070 / 0.050
G10     320.5          58.0                9.3 +/-    0.40      10.7 +/-    0.40  0.060 / 0.070
G14     215.3          23.0               14.6 +/-    1.95      29.8 +/-    1.95  0.040 / 0.050
G15     46.0           18.3                6.0 +/-    2.16      13.8 +/-    2.16  0.040 / 0.050
G20     332.3          62.0               14.4 +/-    1.93      16.1 +/-    1.93  0.340 / 0.300
G21     126.6          64.0               11.1 +/-    0.82      12.2 +/-    0.82  0.180 / 0.320
G24     79.9           29.5                9.8 +/-    0.64      17.3 +/-    0.64  0.070 / 0.120
G27     283.3          37.6                9.5 +/-    1.24      14.3 +/-    1.24  0.100 / 0.120
G32     218.1          48.0               11.9 +/-    0.95      15.4 +/-    0.95  0.260 / 0.260