PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-22:42:50
G01     311.1          29.7               18.9 +/-    1.52      33.3 +/-    1.52  0.110 / 0.230
G10     100.0          44.4               23.0 +/-    0.96      31.2 +/-    0.96  0.100 / 0.230
G11     287.3          28.3               18.9 +/-    1.01      34.3 +/-    1.01  0.060 / 0.160
G14     346.8          68.9               21.9 +/-    0.61      23.3 +/-    0.61  0.060 / 0.180
G18     113.9          17.4               26.0 +/-    1.38      60.9 +/-    1.38  0.040 / 0.040
G22     307.3          20.8               19.4 +/-    3.33      41.9 +/-    3.33  0.030 / 0.040
G25     86.0           14.8               22.9 +/-    1.66      57.2 +/-    1.66  0.090 / 0.140
G31     175.8          56.0               29.2 +/-    1.16      34.4 +/-    1.16  0.090 / 0.140
G32     27.2           57.9               21.1 +/-    0.46      24.4 +/-    0.46  0.030 / 0.050