PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/05-00:12:50
G08     315.8          15.5               13.9 +/-    2.29      34.3 +/-    2.29  0.070 / 0.040
G10     313.2          56.0               15.7 +/-    1.31      18.5 +/-    1.31  0.060 / 0.060
G14     213.6          23.5               23.5 +/-    3.27      47.5 +/-    3.27  0.040 / 0.040
G15     45.6           19.6               14.3 +/-    1.65      31.7 +/-    1.65  0.040 / 0.040
G18     20.3           63.3               15.9 +/-    0.69      17.6 +/-    0.69  0.080 / 0.090
G20     79.4           10.5               17.1 +/-    5.00      47.2 +/-    5.00  0.080 / 0.080
G21     122.0          64.9               19.4 +/-    0.63      21.2 +/-    0.63  0.170 / 0.460
G24     86.8           29.8               18.3 +/-    2.20      32.2 +/-    2.20  0.320 / 0.430
G27     285.4          37.9               15.7 +/-    1.55      23.7 +/-    1.55  0.080 / 0.090
G32     216.7          40.6               21.5 +/-    0.98      30.9 +/-    0.98  0.060 / 0.080