PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/22-03:28:10
G01     318.7          18.4                8.3 +/-    1.42      18.9 +/-    1.42  0.030 / 0.030
G08     255.3          12.9               11.0 +/-    1.75      28.8 +/-    1.75  0.030 / 0.030
G10     79.3           54.0                8.9 +/-    0.75      10.7 +/-    0.75  0.100 / 0.420
G11     301.1          25.0               11.1 +/-    1.61      21.7 +/-    1.61  0.210 / 0.360
G14     303.4          71.5                9.2 +/-    0.59       9.7 +/-    0.59  0.100 / 0.190
G18     101.6          29.8                7.6 +/-    1.20      13.4 +/-    1.20  0.130 / 0.210
G22     300.6          11.0                0.7 +/-   10.61       1.9 +/-   10.61  0.050 / 0.060
G31     176.8          41.6               12.0 +/-    0.72      17.1 +/-    0.72  0.050 / 0.050
G32     3.8            68.1                9.1 +/-    0.50       9.7 +/-    0.50  0.050 / 0.070