PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/02-04:12:30
G08     305.9          20.3                8.7 +/-    2.10      18.9 +/-    2.10  0.050 / 0.060
G10     341.5          61.3                5.4 +/-    0.38       6.0 +/-    0.38  0.050 / 0.070
G14     221.0          32.3                8.6 +/-    1.69      14.4 +/-    1.69  0.060 / 0.090
G20     35.1           62.0                8.0 +/-    0.55       8.9 +/-    0.55  0.060 / 0.110
G21     138.7          53.3                9.6 +/-    0.71      11.7 +/-    0.71  0.070 / 0.160
G24     67.5           28.9                5.9 +/-    0.52      10.6 +/-    0.52  0.070 / 0.190
G27     268.6          36.4                7.9 +/-    0.98      12.3 +/-    0.98  0.040 / 0.040
G32     228.2          58.9                9.5 +/-    0.60      10.9 +/-    0.60  0.030 / 0.040