PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/26-04:13:10
G07     330.9          57.6                3.9 +/-    0.51       4.5 +/-    0.51  0.110 / 0.130
G08     103.9          51.0                7.0 +/-    0.57       8.7 +/-    0.57  0.140 / 0.130
G09     185.8          74.3                4.5 +/-    0.59       4.6 +/-    0.59  0.040 / 0.040
G11     149.2          12.0                5.5 +/-    2.15      14.8 +/-    2.15  0.040 / 0.040
G23     154.7          44.0                6.7 +/-    0.64       9.1 +/-    0.64  0.030 / 0.040
G27     57.6           32.8                5.9 +/-    1.50       9.7 +/-    1.50  0.040 / 0.040
G28     233.5          20.2                4.3 +/-    2.22       9.4 +/-    2.22  0.190 / 0.460
G30     298.6          31.3                3.5 +/-    1.50       5.9 +/-    1.50  0.180 / 0.440