PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/27-02:12:40
G08     312.0          17.8                7.0 +/-    0.89      16.2 +/-    0.89  0.070 / 0.070
G10     326.1          59.0                7.8 +/-    0.66       8.9 +/-    0.66  0.060 / 0.060
G14     216.7          25.8               11.5 +/-    2.99      22.1 +/-    2.99  0.040 / 0.040
G15     46.3           15.6                5.2 +/-    1.66      12.8 +/-    1.66  0.040 / 0.030
G20     341.3          63.5               13.6 +/-    0.98      15.0 +/-    0.98  0.110 / 0.180
G21     130.7          61.2                9.1 +/-    0.39      10.3 +/-    0.39  0.110 / 0.190
G24     76.3           29.6                8.4 +/-    1.20      14.9 +/-    1.20  0.060 / 0.060
G27     279.3          37.6                8.7 +/-    1.00      13.1 +/-    1.00  0.070 / 0.070
G32     220.4          51.1               11.2 +/-    1.48      14.0 +/-    1.48  0.220 / 0.220