PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/09-17:43:10
G01     79.8           33.3                9.4 +/-    0.65      15.4 +/-    0.65  0.030 / 0.040
G07     132.6          38.1               11.0 +/-    1.05      16.5 +/-    1.05  0.030 / 0.040
G11     60.0           35.8                9.0 +/-    0.40      14.1 +/-    0.40  0.040 / 0.080
G13     284.1          37.7               10.9 +/-    0.65      16.5 +/-    0.65  0.040 / 0.080
G15     309.8          12.6                9.9 +/-    1.30      26.2 +/-    1.30  0.110 / 0.240
G17     222.6          60.0               11.7 +/-    1.46      13.3 +/-    1.46  0.110 / 0.220
G18     55.5           21.5                7.4 +/-    0.80      15.7 +/-    0.80  0.030 / 0.050
G19     219.3          33.1               12.2 +/-    1.71      20.0 +/-    1.71  0.040 / 0.040
G28     6.0            60.8                9.8 +/-    0.46      11.0 +/-    0.46  0.070 / 0.100
G30     125.4          68.8                9.7 +/-    0.66      10.3 +/-    0.66  0.060 / 0.140