PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/16-23:12:30
G08     297.4          23.0                7.4 +/-    0.96      15.1 +/-    0.96  0.060 / 0.120
G10     356.7          62.6                6.2 +/-    0.71       6.9 +/-    0.71  0.070 / 0.110
G14     225.5          41.0               12.0 +/-    0.67      17.2 +/-    0.67  0.060 / 0.080
G20     57.7           55.0                7.9 +/-    0.67       9.4 +/-    0.67  0.060 / 0.070
G21     143.7          45.5                9.1 +/-    1.30      12.2 +/-    1.30  0.060 / 0.120
G24     58.9           26.0                8.8 +/-    0.36      16.8 +/-    0.36  0.050 / 0.100
G27     261.4          34.0                8.6 +/-    1.44      13.9 +/-    1.44  0.070 / 0.170
G32     237.3          64.6                9.9 +/-    1.00      10.9 +/-    1.00  0.080 / 0.170