PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/13-23:28:00
G08     265.8          18.0               13.8 +/-    1.99      31.7 +/-    1.99  0.150 / 0.320
G10     60.4           59.0               13.8 +/-    0.68      15.8 +/-    0.68  0.130 / 0.370
G11     310.7          18.2               11.6 +/-    2.66      26.6 +/-    2.66  0.120 / 0.170
G14     269.8          67.4               12.7 +/-    0.76      13.6 +/-    0.76  0.120 / 0.200
G18     92.3           35.8               14.9 +/-    0.83      23.2 +/-    0.83  0.030 / 0.030
G21     153.7          12.9               18.3 +/-    2.64      47.8 +/-    2.64  0.030 / 0.030
G24     40.2           11.2               12.8 +/-    1.09      34.7 +/-    1.09  0.090 / 0.430
G27     230.3          15.3               15.8 +/-    1.76      39.1 +/-    1.76  0.100 / 0.400
G31     180.9          27.6               19.3 +/-    0.70      35.5 +/-    0.70  0.070 / 0.130
G32     327.0          74.2               14.1 +/-    0.59      14.6 +/-    0.59  0.050 / 0.090