PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/30-05:12:50
G01     126.6          10.2               -9.1 +/-   35.17     -25.2 +/-   35.17  0.040 / 0.050
G07     48.7           69.5                5.5 +/-    0.40       5.8 +/-    0.40  0.040 / 0.050
G08     52.4           41.4                3.5 +/-    1.20       5.0 +/-    1.20  0.050 / 0.060
G09     176.0          36.1                6.2 +/-    1.19       9.6 +/-    1.19  0.050 / 0.050
G11     123.5          35.0                6.9 +/-    1.16      10.9 +/-    1.16  0.110 / 0.090
G13     321.1          11.3               -6.5 +/-   11.54     -17.6 +/-   11.54  0.110 / 0.160
G17     199.2          12.3                2.4 +/-    9.86       6.5 +/-    9.86  0.030 / 0.030
G28     265.5          45.1                5.2 +/-    3.26       7.0 +/-    3.26  0.030 / 0.040
G30     326.7          56.5                4.7 +/-    0.81       5.5 +/-    0.81  0.110 / 0.400