PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/16-21:42:40
G01     318.8          20.0                6.2 +/-    2.31      13.6 +/-    2.31  0.030 / 0.040
G08     258.8          13.5                8.8 +/-    2.14      22.7 +/-    2.14  0.040 / 0.050
G10     81.0           51.3                9.0 +/-    0.69      11.2 +/-    0.69  0.160 / 0.400
G11     305.0          21.1                8.4 +/-    3.95      18.1 +/-    3.95  0.150 / 0.410
G14     287.0          68.7                9.3 +/-    0.50       9.9 +/-    0.50  0.120 / 0.310
G20     106.3          27.3                9.3 +/-    1.03      17.3 +/-    1.03  0.150 / 0.370
G31     174.9          42.6               10.9 +/-    0.91      15.3 +/-    0.91  0.060 / 0.050
G32     9.9            67.0                7.8 +/-    0.61       8.4 +/-    0.61  0.050 / 0.060