PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/27-06:12:40
G08     317.1          13.8                3.8 +/-    1.14       9.8 +/-    1.14  0.130 / 0.400
G10     317.9          57.4                4.6 +/-    0.53       5.4 +/-    0.53  0.150 / 0.300
G14     215.1          19.6                7.2 +/-    0.99      16.0 +/-    0.99  0.040 / 0.050
G15     45.8           17.2                2.0 +/-    0.67       4.7 +/-    0.67  0.040 / 0.040
G20     48.2           54.2                4.7 +/-    0.76       5.7 +/-    0.76  0.090 / 0.090
G21     125.0          64.7                6.5 +/-    0.69       7.1 +/-    0.69  0.080 / 0.080
G24     82.4           29.7                4.7 +/-    0.78       8.2 +/-    0.78  0.050 / 0.040
G27     284.4          37.7                5.3 +/-    0.66       8.0 +/-    0.66  0.040 / 0.040
G32     217.3          46.7               10.4 +/-    0.89      13.7 +/-    0.89  0.140 / 0.230