PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/30-04:28:00
G10     262.1          35.0                9.7 +/-    0.80      15.4 +/-    0.80  0.120 / 0.320
G13     44.4           22.0                5.2 +/-    0.91      10.8 +/-    0.91  0.130 / 0.330
G15     65.2           52.4                6.3 +/-    0.39       7.8 +/-    0.39  0.060 / 0.050
G16     282.6          13.6               10.9 +/-    1.94      28.2 +/-    1.94  0.050 / 0.050
G20     313.2          66.9                5.8 +/-    0.96       6.3 +/-    0.96  0.140 / 0.400
G21     351.3          68.5                4.7 +/-    0.93       5.0 +/-    0.93  0.170 / 0.270
G24     123.8          11.5                3.5 +/-    3.00       9.5 +/-    3.00  0.090 / 0.350
G27     320.4          15.4                8.0 +/-    1.51      19.8 +/-    1.51  0.130 / 0.290
G29     167.7          36.9                6.9 +/-    1.86      10.6 +/-    1.86  0.090 / 0.270