PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/06-22:28:00
G05     47.9           19.4                6.0 +/-    1.16      13.4 +/-    1.16  0.090 / 0.190
G10     234.4          10.3              -11.1 +/-   37.86     -30.9 +/-   37.86  0.060 / 0.170
G13     79.3           36.4                9.2 +/-    0.85      14.2 +/-    0.85  0.150 / 0.440
G15     133.3          49.8               11.4 +/-    1.27      14.4 +/-    1.27  0.150 / 0.460
G16     315.2          12.4                8.9 +/-    1.70      23.7 +/-    1.70  0.250 / 0.400
G20     240.2          10.1                7.2 +/-    0.67      19.9 +/-    0.67  0.060 / 0.090
G21     309.6          44.3                8.8 +/-    1.69      12.0 +/-    1.69  0.050 / 0.100
G25     200.3          12.8               10.9 +/-    2.15      28.7 +/-    2.15  0.090 / 0.440
G26     288.8          21.1                9.5 +/-    1.34      20.4 +/-    1.34  0.080 / 0.410
G29     153.5          77.1               10.7 +/-    0.86      11.0 +/-    0.86  0.080 / 0.130