PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/10-23:58:10
G10     250.3          25.5               13.3 +/-    1.87      25.6 +/-    1.87  0.130 / 0.340
G13     54.9           31.5               10.5 +/-    0.69      17.8 +/-    0.69  0.110 / 0.330
G15     90.3           58.3               12.7 +/-    0.30      14.6 +/-    0.30  0.100 / 0.150
G16     297.9          14.5                8.8 +/-    2.28      22.1 +/-    2.28  0.090 / 0.170
G18     267.8          54.9               13.9 +/-    1.18      16.6 +/-    1.18  0.040 / 0.060
G20     43.3           47.6                9.7 +/-    0.77      12.6 +/-    0.77  0.050 / 0.050
G21     333.2          60.2               12.3 +/-    0.95      13.9 +/-    0.95  0.030 / 0.050
G26     270.2          15.6               12.6 +/-    1.88      31.0 +/-    1.88  0.040 / 0.060
G29     163.8          47.7               14.3 +/-    0.78      18.6 +/-    0.78  0.070 / 0.150