PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/24-03:43:10
G05     49.5           14.6                5.1 +/-    2.27      12.7 +/-    2.27  0.050 / 0.070
G10     237.0          13.2                8.1 +/-   19.40      21.1 +/-   19.40  0.070 / 0.050
G13     74.4           36.4                8.8 +/-    0.84      13.6 +/-    0.84  0.090 / 0.210
G15     122.6          53.0               10.8 +/-    0.46      13.1 +/-    0.46  0.080 / 0.230
G20     256.5          53.9               12.2 +/-    2.44      14.7 +/-    2.44  0.200 / 0.340
G21     313.8          47.4               10.4 +/-    0.88      13.6 +/-    0.88  0.250 / 0.330
G25     199.3          10.2                8.1 +/-    5.20      22.6 +/-    5.20  0.070 / 0.080
G26     284.7          20.7               10.9 +/-    1.14      23.7 +/-    1.14  0.060 / 0.080
G29     157.2          71.7               11.2 +/-    1.07      11.7 +/-    1.07  0.030 / 0.040