PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/01-03:12:50
G08     275.6          21.3               10.2 +/-    1.69      21.7 +/-    1.69  0.100 / 0.240
G10     43.6           61.3                7.7 +/-    0.42       8.6 +/-    0.42  0.110 / 0.210
G14     248.3          58.3               10.8 +/-    0.98      12.5 +/-    0.98  0.040 / 0.060
G18     315.9          24.0                7.0 +/-    1.29      14.1 +/-    1.29  0.050 / 0.060
G20     60.0           62.3               10.0 +/-    0.55      11.1 +/-    0.55  0.030 / 0.030
G21     153.1          25.1                9.4 +/-    0.72      18.4 +/-    0.72  0.030 / 0.030
G24     43.2           15.2                5.6 +/-    1.21      13.9 +/-    1.21  0.120 / 0.290
G27     239.0          21.9               12.8 +/-    3.86      26.9 +/-    3.86  0.120 / 0.220
G31     178.6          23.0               11.7 +/-    2.82      24.0 +/-    2.82  0.110 / 0.160
G32     309.6          76.9                8.2 +/-    0.59       8.4 +/-    0.59  0.110 / 0.190