PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/11-00:43:00
G10     241.6          18.5               14.4 +/-    1.08      32.9 +/-    1.08  0.150 / 0.580
G13     65.5           34.8               11.3 +/-    0.53      18.0 +/-    0.53  0.110 / 0.620
G15     113.7          56.6               13.0 +/-    0.62      15.2 +/-    0.62  0.060 / 0.060
G16     305.6          15.2                8.2 +/-    2.79      20.2 +/-    2.79  0.050 / 0.070
G20     251.7          32.2               11.6 +/-    0.80      19.5 +/-    0.80  0.120 / 0.280
G21     320.2          51.7               12.9 +/-    1.16      15.9 +/-    1.16  0.100 / 0.290
G26     277.5          19.5               10.4 +/-    1.08      23.3 +/-    1.08  0.030 / 0.040
G29     161.3          64.1               12.2 +/-    1.29      13.4 +/-    1.29  0.050 / 0.040