PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/09-06:42:40
G01     125.4          11.3               -1.0 +/-   27.58      -2.8 +/-   27.58  0.050 / 0.050
G07     55.7           69.0                5.9 +/-    0.40       6.2 +/-    0.40  0.030 / 0.030
G08     51.5           41.0                4.9 +/-    0.55       7.0 +/-    0.55  0.070 / 0.300
G09     176.6          35.1                9.0 +/-    1.31      14.3 +/-    1.31  0.100 / 0.250
G11     120.9          36.1                8.4 +/-    1.17      13.0 +/-    1.17  0.030 / 0.040
G13     320.6          12.8                2.1 +/-    1.22       5.4 +/-    1.22  0.030 / 0.040
G17     199.7          13.4                3.9 +/-    1.98      10.2 +/-    1.98  0.120 / 0.390
G28     268.1          46.6                7.8 +/-    1.10      10.3 +/-    1.10  0.090 / 0.320
G30     329.3          58.6                5.0 +/-    0.68       5.8 +/-    0.68  0.060 / 0.100