PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/14-23:27:40
G10     269.3          39.6               10.6 +/-    1.59      15.6 +/-    1.59  0.120 / 0.220
G13     40.9           16.6                6.4 +/-    1.67      15.3 +/-    1.67  0.130 / 0.220
G15     59.4           50.3                7.6 +/-    0.71       9.6 +/-    0.71  0.040 / 0.030
G16     275.4          11.6                6.1 +/-   14.79      16.3 +/-   14.79  0.040 / 0.030
G20     271.7          34.5               15.1 +/-    0.65      24.2 +/-    0.65  0.290 / 0.560
G21     4.6            72.6                9.0 +/-    1.02       9.4 +/-    1.02  0.190 / 0.420
G24     117.1          15.5               10.3 +/-    1.45      25.4 +/-    1.45  0.120 / 0.240
G27     317.8          20.2                7.2 +/-    2.88      15.7 +/-    2.88  0.150 / 0.260
G29     168.6          30.2               10.3 +/-    1.30      17.9 +/-    1.30  0.130 / 0.230
G32     204.1          12.6               11.6 +/-   15.23      30.6 +/-   15.23  0.100 / 0.260