PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/07-16:58:10
G10     251.4          27.8               11.8 +/-    1.51      21.8 +/-    1.51  0.040 / 0.040
G13     52.6           29.0               10.5 +/-    2.12      18.8 +/-    2.12  0.040 / 0.040
G15     89.1           58.8               11.3 +/-    1.03      13.0 +/-    1.03  0.090 / 0.400
G16     295.2          15.3                7.2 +/-    1.91      17.7 +/-    1.91  0.100 / 0.450
G20     271.1          51.5               12.7 +/-    3.00      15.7 +/-    3.00  0.080 / 0.230
G21     337.6          61.9               11.2 +/-    0.80      12.6 +/-    0.80  0.070 / 0.160
G26     268.3          15.1               10.0 +/-    1.58      24.9 +/-    1.58  0.030 / 0.030
G29     164.3          48.5               12.7 +/-    0.74      16.3 +/-    0.74  0.030 / 0.030