PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/26-10:28:00
G01     319.8          15.7                4.4 +/-    1.50      10.9 +/-    1.50  0.150 / 0.280
G08     263.5          14.3                5.7 +/-    1.91      14.4 +/-    1.91  0.110 / 0.320
G10     75.4           54.8                6.6 +/-    0.41       7.9 +/-    0.41  0.040 / 0.040
G11     306.6          20.6                4.8 +/-    2.19      10.5 +/-    2.19  0.040 / 0.040
G14     280.4          67.1                7.3 +/-    0.58       7.9 +/-    0.58  0.150 / 0.260
G18     307.5          37.5                5.3 +/-    1.27       8.1 +/-    1.27  0.170 / 0.200
G22     300.7          13.5                4.4 +/-    1.85      11.3 +/-    1.85  0.080 / 0.170
G31     174.9          40.9                8.8 +/-    1.01      12.7 +/-    1.01  0.080 / 0.230
G32     6.2            68.3                6.4 +/-    0.30       6.8 +/-    0.30  0.180 / 0.340