PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/30-19:28:00
G08     287.1          22.9                9.3 +/-    1.06      19.1 +/-    1.06  0.100 / 0.110
G10     18.6           63.2               11.4 +/-    0.67      12.6 +/-    0.67  0.090 / 0.110
G14     235.9          51.9               12.1 +/-    2.04      14.9 +/-    2.04  0.080 / 0.080
G18     71.9           46.9                8.8 +/-    0.87      11.5 +/-    0.87  0.100 / 0.080
G21     147.9          29.9               10.6 +/-    1.76      18.6 +/-    1.76  0.080 / 0.230
G24     52.1           23.8                7.9 +/-    2.96      15.9 +/-    2.96  0.080 / 0.140
G27     247.0          28.2               11.1 +/-    1.66      20.2 +/-    1.66  0.070 / 0.100
G32     258.2          70.6               11.0 +/-    0.93      11.6 +/-    0.93  0.110 / 0.130