PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/28-01:12:50
G01     315.9          23.9               13.0 +/-    2.42      26.1 +/-    2.42  0.120 / 0.170
G10     89.7           49.8               15.1 +/-    0.62      19.1 +/-    0.62  0.080 / 0.140
G11     295.0          27.1               12.0 +/-    1.59      22.3 +/-    1.59  0.210 / 0.280
G14     325.4          71.2               16.3 +/-    1.49      17.1 +/-    1.49  0.120 / 0.400
G18     107.7          24.0               16.4 +/-    0.99      32.8 +/-    0.99  0.040 / 0.030
G22     303.8          15.1                9.6 +/-    3.49      23.8 +/-    3.49  0.030 / 0.040
G25     92.2           11.6               16.5 +/-    1.27      44.4 +/-    1.27  0.120 / 0.400
G31     176.9          47.8               21.0 +/-    1.71      27.2 +/-    1.71  0.150 / 0.380
G32     13.6           64.3               11.3 +/-    0.88      12.4 +/-    0.88  0.050 / 0.060