PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/02-00:58:10
G05     48.5           17.3                6.4 +/-    1.35      15.0 +/-    1.35  0.150 / 0.350
G10     235.4          11.5               -6.0 +/-   38.87     -16.3 +/-   38.87  0.120 / 0.350
G13     77.3           36.4               10.2 +/-    0.99      15.8 +/-    0.99  0.090 / 0.140
G15     128.7          51.3               11.9 +/-    0.75      14.7 +/-    0.75  0.100 / 0.150
G16     314.1          12.7                7.4 +/-    4.31      19.6 +/-    4.31  0.070 / 0.080
G20     245.3          30.1               13.9 +/-    1.76      24.3 +/-    1.76  0.050 / 0.070
G21     311.4          45.6               10.1 +/-    1.36      13.5 +/-    1.36  0.030 / 0.020
G25     200.0          11.8               13.8 +/-    2.14      37.0 +/-    2.14  0.030 / 0.030
G26     287.1          21.0                9.9 +/-    1.83      21.3 +/-    1.83  0.080 / 0.080
G29     155.3          74.9               10.2 +/-    0.84      10.6 +/-    0.84  0.080 / 0.090