PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/17-09:12:30
G02     203.4          32.4                6.5 +/-    1.12      10.8 +/-    1.12  0.060 / 0.100
G06     161.8          67.8                7.8 +/-    0.65       8.3 +/-    0.65  0.080 / 0.080
G12     307.0          15.0                2.9 +/-    1.45       7.1 +/-    1.45  0.070 / 0.340
G17     37.4           47.7                4.8 +/-    1.64       6.3 +/-    1.64  0.080 / 0.210
G19     351.3          66.9                5.4 +/-    0.54       5.8 +/-    0.54  0.030 / 0.030
G24     295.0          40.6                6.5 +/-    4.94       9.3 +/-    4.94  0.040 / 0.030
G28     100.6          33.3                7.5 +/-    1.33      12.3 +/-    1.33  0.030 / 0.020