PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/16-23:42:50
G10     113.3          34.0               13.2 +/-    0.71      21.4 +/-    0.71  0.060 / 0.130
G11     272.0          27.7               12.4 +/-    1.51      22.7 +/-    1.51  0.080 / 0.100
G14     11.5           63.3               11.7 +/-    0.74      12.9 +/-    0.74  0.040 / 0.050
G18     262.2          50.2               12.6 +/-    0.56      15.9 +/-    0.56  0.040 / 0.060
G22     312.0          30.9               11.5 +/-    1.24      19.8 +/-    1.24  0.080 / 0.210
G25     71.5           17.2               10.4 +/-    1.73      24.4 +/-    1.73  0.070 / 0.230
G31     157.4          72.5               14.1 +/-    0.99      14.7 +/-    0.99  0.060 / 0.080
G32     44.3           46.7               10.1 +/-    0.41      13.3 +/-    0.41  0.050 / 0.070