PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/31-03:27:40
G05     51.7           10.3                7.2 +/-    1.07      20.0 +/-    1.07  0.090 / 0.500
G10     240.8          17.4               18.4 +/-    2.27      43.2 +/-    2.27  0.140 / 0.440
G13     67.2           35.3               11.6 +/-    0.70      18.4 +/-    0.70  0.050 / 0.060
G15     113.1          56.0               14.6 +/-    0.29      17.2 +/-    0.29  0.060 / 0.070
G16     307.1          14.8                9.1 +/-    1.72      22.8 +/-    1.72  0.070 / 0.370
G20     261.6          54.0               16.2 +/-    0.72      19.5 +/-    0.72  0.090 / 0.260
G21     319.2          51.1               13.4 +/-    1.07      16.7 +/-    1.07  0.110 / 0.360
G26     278.8          19.7               13.3 +/-    1.60      29.5 +/-    1.60  0.160 / 0.350
G29     160.7          65.2               14.3 +/-    0.92      15.5 +/-    0.92  0.060 / 0.150