PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-01:42:30
G10     251.3          27.3               12.6 +/-    1.71      23.3 +/-    1.71  0.130 / 0.720
G13     52.8           29.4                8.4 +/-    0.82      15.0 +/-    0.82  0.170 / 0.570
G15     87.5           58.2               10.3 +/-    1.08      11.9 +/-    1.08  0.030 / 0.050
G16     293.6          15.8                7.4 +/-    2.19      18.1 +/-    2.19  0.030 / 0.050
G20     266.1          45.2               11.9 +/-    0.70      16.0 +/-    0.70  0.090 / 0.140
G21     333.6          60.2                9.3 +/-    0.29      10.5 +/-    0.29  0.110 / 0.120
G26     265.6          15.3               10.7 +/-    1.83      26.5 +/-    1.83  0.060 / 0.180
G29     165.5          50.0               10.9 +/-    0.70      13.7 +/-    0.70  0.050 / 0.180