PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-17:58:10
G10     264.0          35.7               12.9 +/-    1.28      20.2 +/-    1.28  0.130 / 0.140
G13     43.8           21.6               10.5 +/-    2.03      22.2 +/-    2.03  0.090 / 0.120
G15     61.4           49.7               11.6 +/-    1.01      14.7 +/-    1.01  0.030 / 0.040
G16     287.5          11.6               11.8 +/-    4.32      31.8 +/-    4.32  0.030 / 0.030
G18     297.6          64.3               12.6 +/-    0.52      13.8 +/-    0.52  0.210 / 0.260
G20     51.8           38.2               11.0 +/-    0.94      16.4 +/-    0.94  0.190 / 0.230
G21     7.9            71.9               12.8 +/-    0.40      13.4 +/-    0.40  0.040 / 0.070
G24     123.7          12.3               14.0 +/-    2.36      37.1 +/-    2.36  0.040 / 0.070
G27     319.1          18.0               12.8 +/-    1.82      29.7 +/-    1.82  0.270 / 0.250
G29     165.2          28.5               13.8 +/-    1.96      24.9 +/-    1.96  0.170 / 0.180