PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-19:28:10
G08     315.7          15.4                9.3 +/-    2.56      23.0 +/-    2.56  0.040 / 0.080
G10     315.3          56.6                8.8 +/-    1.48      10.4 +/-    1.48  0.050 / 0.060
G14     214.2          23.7               13.2 +/-    2.26      26.5 +/-    2.26  0.040 / 0.040
G15     45.6           16.9                9.3 +/-    1.58      22.0 +/-    1.58  0.040 / 0.040
G18     26.0           62.2                9.9 +/-    1.46      11.0 +/-    1.46  0.230 / 0.240
G20     79.6           11.7               10.3 +/-    1.77      27.6 +/-    1.77  0.140 / 0.250
G21     124.8          60.9               12.2 +/-    0.80      13.7 +/-    0.80  0.070 / 0.070
G24     85.4           30.0               11.1 +/-    1.15      19.5 +/-    1.15  0.100 / 0.060
G27     284.2          38.0                9.7 +/-    2.25      14.6 +/-    2.25  0.050 / 0.090
G32     217.4          42.0               12.6 +/-    1.35      17.8 +/-    1.35  0.060 / 0.070