PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/16-00:13:10
G10     298.2          52.2               11.3 +/-    1.89      13.9 +/-    1.89  0.060 / 0.090
G15     46.5           31.0                8.4 +/-    1.17      14.4 +/-    1.17  0.050 / 0.080
G20     295.8          47.9               20.1 +/-    0.52      26.1 +/-    0.52  0.030 / 0.040
G21     95.6           74.8               11.7 +/-    0.36      12.1 +/-    0.36  0.040 / 0.040
G24     95.2           26.5               12.6 +/-    1.92      23.9 +/-    1.92  0.120 / 0.110
G27     300.2          34.3               10.7 +/-    2.18      17.2 +/-    2.18  0.070 / 0.110
G32     210.4          34.3               16.6 +/-    1.64      26.7 +/-    1.64  0.050 / 0.090