PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/26-00:57:50
G01     319.8          15.4                8.0 +/-    1.47      19.8 +/-    1.47  0.030 / 0.030
G08     258.7          14.7               13.2 +/-    1.88      33.0 +/-    1.88  0.030 / 0.030
G10     73.6           55.7                9.2 +/-    0.46      10.9 +/-    0.46  0.160 / 0.260
G11     304.8          22.8                9.5 +/-    0.74      19.5 +/-    0.74  0.110 / 0.210
G14     291.1          70.7                7.0 +/-    0.88       7.3 +/-    0.88  0.060 / 0.090
G18     98.9           31.3                9.2 +/-    1.40      15.7 +/-    1.40  0.050 / 0.070
G31     178.9          36.3               11.0 +/-    1.93      17.1 +/-    1.93  0.050 / 0.040
G32     351.1          71.0                7.1 +/-    0.39       7.5 +/-    0.39  0.040 / 0.040