PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/28-22:13:10
G10     298.6          51.8               13.9 +/-    2.09      17.2 +/-    2.09  0.090 / 0.070
G14     210.5          14.6               17.2 +/-    2.56      43.1 +/-    2.56  0.080 / 0.050
G15     45.9           27.1                8.6 +/-    1.84      16.1 +/-    1.84  0.030 / 0.040
G18     2.0            65.7               11.7 +/-    0.72      12.7 +/-    0.72  0.030 / 0.040
G20     72.5           17.0               11.0 +/-    2.97      26.0 +/-    2.97  0.060 / 0.130
G21     103.6          71.5               13.7 +/-    0.65      14.4 +/-    0.65  0.060 / 0.140
G24     97.5           27.1               12.6 +/-    1.16      23.5 +/-    1.16  0.090 / 0.060
G27     297.1          35.7               15.0 +/-    1.31      23.5 +/-    1.31  0.080 / 0.070
G32     212.1          30.4               14.7 +/-    2.64      25.5 +/-    2.64  0.080 / 0.210