PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/22-20:58:00
G08     315.7          15.4               11.7 +/-    2.23      28.9 +/-    2.23  0.050 / 0.090
G10     314.4          56.4               14.7 +/-    0.80      17.2 +/-    0.80  0.060 / 0.100
G14     214.0          23.6               20.0 +/-    2.37      40.4 +/-    2.37  0.130 / 0.470
G15     45.6           17.7               11.9 +/-    0.58      27.7 +/-    0.58  0.080 / 0.530
G18     24.1           62.6               13.7 +/-    0.36      15.3 +/-    0.36  0.030 / 0.050
G20     79.5           11.3               13.6 +/-    3.23      36.8 +/-    3.23  0.040 / 0.050
G21     123.8          62.4               15.5 +/-    0.81      17.3 +/-    0.81  0.080 / 0.150
G24     86.0           30.0               14.9 +/-    0.62      26.1 +/-    0.62  0.080 / 0.100
G27     284.7          38.0               14.2 +/-    1.48      21.4 +/-    1.48  0.040 / 0.080
G32     217.2          40.7               18.4 +/-    1.82      26.5 +/-    1.82  0.060 / 0.080