PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/06-02:58:00
G08     324.3          6.4                -1.9 +/-   29.86      -5.7 +/-   29.86  0.070 / 0.140
G10     295.6          51.2                9.7 +/-    2.26      12.0 +/-    2.26  0.070 / 0.110
G14     210.5          8.2                14.1 +/-    4.37      40.7 +/-    4.37  0.050 / 0.090
G15     46.6           31.0                5.8 +/-    1.26      10.0 +/-    1.26  0.060 / 0.070
G20     328.7          63.4               11.9 +/-    0.59      13.2 +/-    0.59  0.090 / 0.080
G21     90.2           75.5                8.9 +/-    0.51       9.1 +/-    0.51  0.080 / 0.060
G24     97.7           26.0                8.0 +/-    1.03      15.3 +/-    1.03  0.110 / 0.470
G27     301.7          33.7                7.4 +/-    2.26      12.0 +/-    2.26  0.160 / 0.370
G29     168.6          9.4                 9.3 +/-    1.79      26.2 +/-    1.79  0.050 / 0.030
G32     209.8          32.6               12.2 +/-    1.77      20.3 +/-    1.77  0.040 / 0.030