PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/27-00:27:40
G01     314.1          26.8                5.1 +/-    1.54       9.6 +/-    1.54  0.100 / 0.170
G10     95.5           46.0                8.5 +/-    1.01      11.2 +/-    1.01  0.090 / 0.160
G11     291.1          27.4                5.9 +/-    1.69      10.9 +/-    1.69  0.040 / 0.060
G14     330.6          70.4                7.3 +/-    1.03       7.7 +/-    1.03  0.040 / 0.040
G18     290.4          47.9                6.9 +/-    0.95       8.9 +/-    0.95  0.070 / 0.120
G20     114.1          21.1               10.0 +/-    1.33      21.4 +/-    1.33  0.070 / 0.140
G22     305.9          17.8                5.8 +/-    1.02      13.4 +/-    1.02  0.060 / 0.160
G25     88.8           13.0                8.6 +/-    1.37      22.4 +/-    1.37  0.070 / 0.170
G31     172.1          54.7                9.1 +/-    1.44      10.9 +/-    1.44  0.160 / 0.400
G32     26.5           58.6                7.8 +/-    0.76       9.0 +/-    0.76  0.250 / 0.300