PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/11-01:58:10
G01     319.8          15.3                8.1 +/-    1.40      20.0 +/-    1.40  0.030 / 0.020
G08     258.7          14.8               11.2 +/-    1.45      28.0 +/-    1.45  0.030 / 0.020
G10     73.3           55.8               10.0 +/-    0.43      11.8 +/-    0.43  0.200 / 0.240
G11     304.7          23.0                9.7 +/-    0.59      19.8 +/-    0.59  0.190 / 0.300
G14     291.0          70.7               10.0 +/-    0.69      10.5 +/-    0.69  0.240 / 0.350
G18     98.6           31.8                9.6 +/-    1.63      16.2 +/-    1.63  0.250 / 0.320
G27     225.0          10.4               12.3 +/-   14.61      34.0 +/-   14.61  0.060 / 0.070
G31     178.3          36.8               13.3 +/-    0.60      20.4 +/-    0.60  0.050 / 0.070
G32     352.7          70.8                9.6 +/-    0.34      10.1 +/-    0.34  0.040 / 0.050