PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/30-03:27:50
G10     299.2          52.4                6.8 +/-    1.04       8.3 +/-    1.04  0.040 / 0.040
G14     211.1          10.2               -7.7 +/-   18.42     -21.5 +/-   18.42  0.040 / 0.030
G15     46.1           28.5                3.3 +/-    0.88       6.0 +/-    0.88  0.060 / 0.090
G20     342.7          64.9                6.0 +/-    1.12       6.6 +/-    1.12  0.060 / 0.100
G21     98.8           74.1                7.3 +/-    0.40       7.5 +/-    0.40  0.220 / 0.760
G24     95.2           26.9                8.3 +/-    0.92      15.5 +/-    0.92  0.070 / 0.140
G27     299.0          34.8                8.3 +/-    1.36      13.1 +/-    1.36  0.080 / 0.140
G32     210.8          35.1                9.0 +/-    1.40      14.2 +/-    1.40  0.060 / 0.100