PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/10-17:58:00
G05     46.8           24.3               10.2 +/-    1.36      20.2 +/-    1.36  0.130 / 0.390
G13     81.3           36.2               12.0 +/-    0.78      18.7 +/-    0.78  0.100 / 0.410
G15     136.9          48.2               14.8 +/-    1.35      19.1 +/-    1.35  0.040 / 0.100
G16     317.6          10.8                4.9 +/-   20.48      13.4 +/-   20.48  0.040 / 0.090
G20     244.2          33.4               15.1 +/-    1.43      24.7 +/-    1.43  0.130 / 0.650
G21     309.6          44.6               11.6 +/-    1.05      15.7 +/-    1.05  0.150 / 0.600
G25     199.2          13.0               13.1 +/-    2.18      34.2 +/-    2.18  0.070 / 0.110
G26     292.4          20.3               13.0 +/-    1.10      28.3 +/-    1.10  0.070 / 0.130
G29     149.7          77.8               13.5 +/-    0.65      13.8 +/-    0.65  0.050 / 0.100