PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/10-19:27:30
G10     266.2          38.0               15.4 +/-    2.06      23.2 +/-    2.06  0.160 / 0.200
G13     42.2           18.6               12.8 +/-    3.96      29.2 +/-    3.96  0.180 / 0.190
G15     63.5           53.0               14.1 +/-    1.07      17.2 +/-    1.07  0.040 / 0.040
G16     279.6          12.5               12.2 +/-    2.27      32.2 +/-    2.27  0.040 / 0.030
G20     296.1          60.0               14.4 +/-    1.07      16.4 +/-    1.07  0.210 / 0.490
G21     2.9            71.6               16.0 +/-    0.81      16.8 +/-    0.81  0.300 / 0.430
G24     118.1          14.1               15.2 +/-    2.38      38.5 +/-    2.38  0.240 / 0.290
G27     319.6          17.0               14.0 +/-    3.06      33.1 +/-    3.06  0.130 / 0.240
G29     167.7          32.2               15.0 +/-    1.74      25.1 +/-    1.74  0.040 / 0.040