PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/08-22:12:40
G08     309.3          19.3               15.4 +/-    2.09      34.4 +/-    2.09  0.050 / 0.070
G10     328.6          59.3               12.8 +/-    0.87      14.6 +/-    0.87  0.030 / 0.060
G14     217.7          31.3               17.8 +/-    1.44      30.3 +/-    1.44  0.190 / 0.340
G15     46.6           11.4               11.7 +/-    1.27      31.6 +/-    1.27  0.060 / 0.090
G18     37.7           59.6               13.7 +/-    0.42      15.7 +/-    0.42  0.030 / 0.050
G21     133.1          55.6               16.0 +/-    0.67      19.0 +/-    0.67  0.030 / 0.050
G24     76.6           30.6               15.1 +/-    0.80      26.2 +/-    0.80  0.050 / 0.060
G27     274.1          37.7               17.0 +/-    1.20      25.7 +/-    1.20  0.050 / 0.060
G32     222.8          48.0               16.7 +/-    0.80      21.6 +/-    0.80  0.070 / 0.180