PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/07-18:12:30
G10     287.8          48.6               10.4 +/-    2.88      13.4 +/-    2.88  0.040 / 0.040
G15     48.5           37.0                8.5 +/-    0.89      13.0 +/-    0.89  0.040 / 0.040
G20     335.4          65.2               10.9 +/-    0.70      11.9 +/-    0.70  0.040 / 0.060
G21     74.0           76.0               11.4 +/-    0.82      11.7 +/-    0.82  0.060 / 0.070
G24     100.9          23.4               11.7 +/-    1.18      23.8 +/-    1.18  0.070 / 0.130
G27     308.8          29.3               10.1 +/-    1.69      18.0 +/-    1.69  0.090 / 0.130
G29     168.1          13.7               13.0 +/-    1.74      33.3 +/-    1.74  0.110 / 0.110
G32     207.9          25.2               14.5 +/-    2.77      28.3 +/-    2.77  0.070 / 0.090