PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/21-21:12:40
G08     316.9          14.1                9.4 +/-    1.77      23.8 +/-    1.77  0.070 / 0.080
G10     322.5          58.7               11.1 +/-    0.77      12.8 +/-    0.77  0.080 / 0.100
G14     214.6          21.9               15.4 +/-    0.83      32.4 +/-    0.83  0.040 / 0.050
G15     46.0           16.0                8.7 +/-    1.19      21.2 +/-    1.19  0.040 / 0.040
G20     26.6           62.2               10.8 +/-    0.43      12.0 +/-    0.43  0.090 / 0.280
G21     125.9          64.2               12.0 +/-    0.80      13.1 +/-    0.80  0.090 / 0.270
G24     83.6           30.4               11.2 +/-    0.87      19.4 +/-    0.87  0.140 / 0.270
G27     284.2          38.0               10.9 +/-    0.96      16.4 +/-    0.96  0.140 / 0.370
G32     217.2          46.1               13.8 +/-    0.92      18.3 +/-    0.92  0.110 / 0.210