PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/10-01:12:30
G10     250.8          26.9               13.1 +/-    1.68      24.5 +/-    1.68  0.160 / 0.580
G13     53.4           29.8                9.3 +/-    0.90      16.3 +/-    0.90  0.140 / 0.730
G15     89.3           58.5               10.8 +/-    0.86      12.4 +/-    0.86  0.090 / 0.140
G16     294.2          15.8                7.1 +/-    2.40      17.4 +/-    2.40  0.090 / 0.120
G20     263.1          41.0               10.3 +/-    0.45      14.7 +/-    0.45  0.030 / 0.050
G21     332.8          59.7               10.1 +/-    0.87      11.5 +/-    0.87  0.040 / 0.060
G26     266.1          15.6               12.4 +/-    2.44      30.4 +/-    2.44  0.040 / 0.060
G29     165.3          50.8               11.1 +/-    1.18      13.9 +/-    1.18  0.040 / 0.050