PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/07-22:27:30
G01     315.3          24.7               18.3 +/-    1.23      36.0 +/-    1.23  0.130 / 0.410
G10     91.5           48.9               22.0 +/-    0.49      28.1 +/-    0.49  0.150 / 0.390
G11     294.6          26.8               17.7 +/-    2.17      33.2 +/-    2.17  0.130 / 0.420
G14     327.3          70.9               23.0 +/-    0.47      24.2 +/-    0.47  0.160 / 0.450
G18     109.0          22.3               23.7 +/-    2.32      49.3 +/-    2.32  0.030 / 0.060
G22     304.4          15.7               17.3 +/-    3.62      42.2 +/-    3.62  0.050 / 0.070
G25     92.5           12.2               23.7 +/-    1.45      63.0 +/-    1.45  0.070 / 0.190
G31     177.7          48.3               28.9 +/-    1.06      37.3 +/-    1.06  0.110 / 0.190
G32     17.6           62.8               21.7 +/-    0.72      24.1 +/-    0.72  0.040 / 0.050