PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/24-16:58:10
G01     317.5          21.1                6.8 +/-    1.49      14.5 +/-    1.49  0.140 / 0.250
G08     255.5          11.1                9.7 +/-    5.61      26.4 +/-    5.61  0.110 / 0.250
G10     85.3           51.4                8.6 +/-    0.46      10.7 +/-    0.46  0.040 / 0.050
G11     301.1          23.6                6.8 +/-    1.81      13.8 +/-    1.81  0.050 / 0.050
G14     307.3          70.7                7.2 +/-    0.67       7.6 +/-    0.67  0.050 / 0.050
G22     302.7          13.8                7.3 +/-    2.41      18.7 +/-    2.41  0.050 / 0.060
G25     98.2           10.2              -18.5 +/-   13.62     -51.4 +/-   13.62  0.120 / 0.320
G31     175.2          46.4               10.5 +/-    1.07      13.8 +/-    1.07  0.120 / 0.210
G32     14.9           64.4                6.4 +/-    0.60       7.0 +/-    0.60  0.050 / 0.050