PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/09-01:43:00
G10     261.5          34.8               11.1 +/-    0.96      17.7 +/-    0.96  0.130 / 0.270
G13     44.7           22.2                8.2 +/-    1.57      17.2 +/-    1.57  0.170 / 0.360
G15     67.7           54.1                9.8 +/-    0.49      11.9 +/-    0.49  0.110 / 0.300
G16     282.7          13.9                8.5 +/-    0.83      21.7 +/-    0.83  0.110 / 0.300
G20     277.2          49.1               11.6 +/-    0.90      14.8 +/-    0.90  0.140 / 0.390
G21     349.5          67.9                9.7 +/-    0.90      10.4 +/-    0.90  0.110 / 0.360
G24     123.7          11.2               13.1 +/-    2.99      35.6 +/-    2.99  0.060 / 0.050
G26     255.7          10.3                9.6 +/-    3.04      26.6 +/-    3.04  0.080 / 0.050
G27     320.7          14.6                6.9 +/-    1.53      17.4 +/-    1.53  0.090 / 0.110
G29     167.7          37.8               13.1 +/-    0.69      19.8 +/-    0.69  0.090 / 0.100