PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/02-18:27:30
G05     46.5           25.0                8.7 +/-    2.46      17.0 +/-    2.46  0.120 / 0.430
G13     82.9           36.1               10.5 +/-    0.65      16.4 +/-    0.65  0.130 / 0.600
G15     138.9          47.0               12.9 +/-    0.88      16.9 +/-    0.88  0.150 / 0.420
G16     318.5          10.4               -5.9 +/-   14.49     -16.2 +/-   14.49  0.200 / 0.450
G20     243.1          32.4               13.2 +/-    0.92      21.9 +/-    0.92  0.050 / 0.090
G21     308.2          43.6                8.2 +/-    0.80      11.3 +/-    0.80  0.080 / 0.090
G25     200.1          14.2               10.4 +/-    1.46      26.3 +/-    1.46  0.050 / 0.120
G26     293.4          20.4               11.0 +/-    1.73      24.1 +/-    1.73  0.050 / 0.120
G29     147.9          79.4               12.5 +/-    0.96      12.7 +/-    0.96  0.080 / 0.110