PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-07:12:50
G08     277.0          20.4                5.6 +/-    1.56      12.2 +/-    1.56  0.050 / 0.070
G10     45.8           61.1                4.3 +/-    0.43       4.9 +/-    0.43  0.040 / 0.080
G14     248.8          57.0                7.4 +/-    0.98       8.7 +/-    0.98  0.130 / 0.230
G18     315.7          24.4                2.6 +/-    1.59       5.2 +/-    1.59  0.130 / 0.250
G20     92.6           32.6                4.8 +/-    1.27       7.9 +/-    1.27  0.100 / 0.240
G21     153.3          23.4                6.2 +/-    3.12      12.6 +/-    3.12  0.140 / 0.260
G24     43.0           15.1                3.2 +/-    1.66       8.0 +/-    1.66  0.080 / 0.150
G27     237.6          21.0                8.0 +/-    1.82      17.2 +/-    1.82  0.090 / 0.140
G31     178.3          24.3                5.7 +/-    1.38      11.4 +/-    1.38  0.030 / 0.030
G32     315.4          76.7                5.6 +/-    1.04       5.8 +/-    1.04  0.030 / 0.030