PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/12-00:58:00
G08     284.3          23.2               10.9 +/-    1.29      22.2 +/-    1.29  0.090 / 0.120
G10     20.9           63.2                9.4 +/-    0.40      10.4 +/-    0.40  0.080 / 0.150
G14     237.8          54.2               11.8 +/-    1.14      14.2 +/-    1.14  0.050 / 0.150
G18     71.7           47.7               11.2 +/-    0.77      14.5 +/-    0.77  0.050 / 0.130
G21     149.0          32.2               14.0 +/-    1.05      23.5 +/-    1.05  0.020 / 0.030
G24     51.3           23.3               11.5 +/-    0.37      23.3 +/-    0.37  0.030 / 0.040
G27     245.6          27.4               13.3 +/-    2.81      24.6 +/-    2.81  0.040 / 0.070
G31     183.4          11.1                7.3 +/-   30.75      19.8 +/-   30.75  0.040 / 0.070
G32     259.8          70.4               12.2 +/-    0.79      12.8 +/-    0.79  0.110 / 0.140