PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/29-01:12:30
G10     288.8          48.8               10.0 +/-    1.51      12.9 +/-    1.51  0.060 / 0.120
G15     48.1           36.2                6.6 +/-    1.03      10.2 +/-    1.03  0.060 / 0.090
G20     297.8          52.6                7.3 +/-    0.68       8.9 +/-    0.68  0.070 / 0.160
G21     68.7           77.4                9.6 +/-    0.40       9.8 +/-    0.40  0.060 / 0.170
G24     102.5          23.9                8.0 +/-    1.69      16.1 +/-    1.69  0.040 / 0.050
G27     306.6          31.1                8.3 +/-    2.44      14.1 +/-    2.44  0.040 / 0.060
G29     168.9          14.1               14.5 +/-    4.53      36.9 +/-    4.53  0.050 / 0.050
G32     207.9          27.8               14.2 +/-    1.60      26.0 +/-    1.60  0.050 / 0.060