PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/06-00:28:00
G10     281.6          45.8               10.5 +/-    0.91      14.0 +/-    0.91  0.060 / 0.110
G15     50.8           41.4                7.5 +/-    0.72      10.7 +/-    0.72  0.080 / 0.100
G20     286.1          45.6               16.7 +/-    0.61      22.3 +/-    0.61  0.090 / 0.120
G21     42.0           77.4                8.2 +/-    0.71       8.4 +/-    0.71  0.110 / 0.140
G24     107.8          21.2               11.1 +/-    0.80      23.7 +/-    0.80  0.040 / 0.040
G27     311.3          27.7                8.3 +/-    0.91      15.2 +/-    0.91  0.040 / 0.040
G29     169.0          19.5               11.2 +/-    1.34      24.9 +/-    1.34  0.060 / 0.210
G32     206.2          22.4               11.0 +/-    1.70      22.8 +/-    1.70  0.060 / 0.220