PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/12-16:42:50
G10     253.1          29.2               12.1 +/-    0.90      21.6 +/-    0.90  0.040 / 0.040
G13     50.9           27.8                8.5 +/-    0.76      15.7 +/-    0.76  0.040 / 0.040
G15     84.5           58.3               11.2 +/-    0.48      12.9 +/-    0.48  0.150 / 0.650
G16     293.4          15.1                7.0 +/-    1.72      17.3 +/-    1.72  0.110 / 0.480
G20     274.0          52.7               12.0 +/-    0.62      14.7 +/-    0.62  0.060 / 0.160
G21     340.8          63.4                9.0 +/-    0.52      10.0 +/-    0.52  0.090 / 0.140
G26     266.6          14.3               10.4 +/-    1.38      26.3 +/-    1.38  0.020 / 0.040
G29     164.7          46.1               12.7 +/-    1.70      16.8 +/-    1.70  0.020 / 0.040