PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/11-04:28:00
G10     287.9          48.3                8.0 +/-    1.71      10.2 +/-    1.71  0.060 / 0.090
G15     47.9           35.0                4.7 +/-    1.06       7.4 +/-    1.06  0.070 / 0.100
G20     352.1          66.0                4.7 +/-    0.75       5.1 +/-    0.75  0.040 / 0.050
G21     67.1           77.3                6.9 +/-    0.61       7.0 +/-    0.61  0.040 / 0.050
G24     103.9          23.6                5.9 +/-    1.50      11.9 +/-    1.50  0.090 / 0.210
G27     306.9          31.0                7.3 +/-    2.43      12.6 +/-    2.43  0.090 / 0.200
G29     168.9          14.4                9.0 +/-    3.56      22.7 +/-    3.56  0.160 / 0.290
G32     207.8          27.2                9.3 +/-    1.06      17.4 +/-    1.06  0.130 / 0.310