PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/27-03:43:10
G05     51.6           10.4                5.4 +/-    2.71      14.9 +/-    2.71  0.080 / 0.310
G10     240.7          17.3               13.3 +/-    1.12      31.3 +/-    1.12  0.090 / 0.270
G13     67.4           35.4                7.9 +/-    1.57      12.4 +/-    1.57  0.040 / 0.050
G15     113.1          55.9               10.4 +/-    0.84      12.3 +/-    0.84  0.050 / 0.050
G16     307.3          14.7                7.4 +/-    3.12      18.6 +/-    3.12  0.130 / 0.250
G20     263.1          56.1               11.4 +/-    1.56      13.4 +/-    1.56  0.210 / 0.280
G21     319.1          51.0                9.3 +/-    0.64      11.6 +/-    0.64  0.070 / 0.110
G26     279.0          19.8                9.9 +/-    1.56      21.9 +/-    1.56  0.060 / 0.100
G29     160.6          65.4                9.5 +/-    0.52      10.3 +/-    0.52  0.040 / 0.040