PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/29-03:27:50
G08     274.4          20.9               10.0 +/-    1.16      21.6 +/-    1.16  0.080 / 0.160
G10     46.1           60.9                7.1 +/-    0.36       8.0 +/-    0.36  0.080 / 0.170
G14     250.2          59.2               10.7 +/-    0.55      12.2 +/-    0.55  0.040 / 0.070
G18     315.6          25.0                7.0 +/-    2.56      13.7 +/-    2.56  0.050 / 0.070
G20     65.4           60.5               10.1 +/-    0.91      11.5 +/-    0.91  0.110 / 0.220
G21     153.4          23.8                7.9 +/-    2.28      15.9 +/-    2.28  0.080 / 0.170
G24     42.6           14.4                5.5 +/-    2.34      13.9 +/-    2.34  0.030 / 0.030
G27     238.0          21.1               13.4 +/-    1.16      28.8 +/-    1.16  0.030 / 0.030
G31     178.3          24.3                8.3 +/-    1.39      16.4 +/-    1.39  0.160 / 0.230
G32     315.5          76.7                8.4 +/-    1.11       8.6 +/-    1.11  0.130 / 0.230